Vulnerability Details CVE-2021-33037
Apache Tomcat 10.0.0-M1 to 10.0.6, 9.0.0.M1 to 9.0.46 and 8.5.0 to 8.5.66 did not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy. Specifically: - Tomcat incorrectly ignored the transfer encoding header if the client declared it would only accept an HTTP/1.0 response; - Tomcat honoured the identify encoding; and - Tomcat did not ensure that, if present, the chunked encoding was the final encoding.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.015
EPSS Ranking 80.1%
CVSS Severity
CVSS v3 Score 5.3
CVSS v2 Score 5.0
Products affected by CVE-2021-33037
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cpe:2.3:a:apache:tomcat:10.0.1
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cpe:2.3:a:apache:tomcat:10.0.2
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cpe:2.3:a:apache:tomcat:10.0.3
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cpe:2.3:a:apache:tomcat:10.0.4
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cpe:2.3:a:apache:tomcat:10.0.5
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cpe:2.3:a:apache:tomcat:10.0.6
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cpe:2.3:a:apache:tomcat:8.5.0
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cpe:2.3:a:apache:tomcat:8.5.1
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cpe:2.3:a:apache:tomcat:8.5.10
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cpe:2.3:a:apache:tomcat:8.5.11
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cpe:2.3:a:apache:tomcat:8.5.12
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cpe:2.3:a:apache:tomcat:8.5.13
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cpe:2.3:a:apache:tomcat:8.5.14
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cpe:2.3:a:apache:tomcat:8.5.15
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cpe:2.3:a:apache:tomcat:8.5.16
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cpe:2.3:a:apache:tomcat:8.5.17
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cpe:2.3:a:apache:tomcat:8.5.18
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cpe:2.3:a:apache:tomcat:8.5.19
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cpe:2.3:a:apache:tomcat:8.5.2
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cpe:2.3:a:apache:tomcat:8.5.20
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cpe:2.3:a:apache:tomcat:8.5.21
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cpe:2.3:a:apache:tomcat:8.5.22
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cpe:2.3:a:apache:tomcat:8.5.23
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cpe:2.3:a:apache:tomcat:8.5.24
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cpe:2.3:a:apache:tomcat:8.5.25
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cpe:2.3:a:apache:tomcat:8.5.26
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cpe:2.3:a:apache:tomcat:8.5.27
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cpe:2.3:a:apache:tomcat:8.5.28
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cpe:2.3:a:apache:tomcat:8.5.29
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cpe:2.3:a:apache:tomcat:8.5.3
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cpe:2.3:a:apache:tomcat:8.5.30
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cpe:2.3:a:apache:tomcat:8.5.31
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cpe:2.3:a:apache:tomcat:8.5.32
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cpe:2.3:a:apache:tomcat:8.5.33
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cpe:2.3:a:apache:tomcat:8.5.34
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cpe:2.3:a:apache:tomcat:8.5.35
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cpe:2.3:a:apache:tomcat:8.5.36
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cpe:2.3:a:apache:tomcat:8.5.37
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cpe:2.3:a:apache:tomcat:8.5.38
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cpe:2.3:a:apache:tomcat:8.5.39
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cpe:2.3:a:apache:tomcat:8.5.4
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cpe:2.3:a:apache:tomcat:8.5.40
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cpe:2.3:a:apache:tomcat:8.5.41
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cpe:2.3:a:apache:tomcat:8.5.42
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cpe:2.3:a:apache:tomcat:8.5.43
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cpe:2.3:a:apache:tomcat:8.5.44
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cpe:2.3:a:apache:tomcat:8.5.45
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cpe:2.3:a:apache:tomcat:8.5.46
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cpe:2.3:a:apache:tomcat:8.5.47
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cpe:2.3:a:apache:tomcat:8.5.48
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cpe:2.3:a:apache:tomcat:8.5.49
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cpe:2.3:a:apache:tomcat:8.5.5
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cpe:2.3:a:apache:tomcat:8.5.50
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cpe:2.3:a:apache:tomcat:8.5.51
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cpe:2.3:a:apache:tomcat:8.5.52
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cpe:2.3:a:apache:tomcat:8.5.53
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cpe:2.3:a:apache:tomcat:8.5.54
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cpe:2.3:a:apache:tomcat:8.5.55
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cpe:2.3:a:apache:tomcat:8.5.56
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cpe:2.3:a:apache:tomcat:8.5.57
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cpe:2.3:a:apache:tomcat:8.5.58
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cpe:2.3:a:apache:tomcat:8.5.59
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cpe:2.3:a:apache:tomcat:8.5.6
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cpe:2.3:a:apache:tomcat:8.5.60
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cpe:2.3:a:apache:tomcat:8.5.61
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cpe:2.3:a:apache:tomcat:8.5.62
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cpe:2.3:a:apache:tomcat:8.5.63
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cpe:2.3:a:apache:tomcat:8.5.64
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cpe:2.3:a:apache:tomcat:8.5.65
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cpe:2.3:a:apache:tomcat:8.5.66
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cpe:2.3:a:apache:tomcat:8.5.7
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cpe:2.3:a:apache:tomcat:8.5.8
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cpe:2.3:a:apache:tomcat:8.5.9
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cpe:2.3:a:apache:tomcat:9.0.1
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cpe:2.3:a:apache:tomcat:9.0.10
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cpe:2.3:a:apache:tomcat:9.0.11
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cpe:2.3:a:apache:tomcat:9.0.12
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cpe:2.3:a:apache:tomcat:9.0.13
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cpe:2.3:a:apache:tomcat:9.0.14
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cpe:2.3:a:apache:tomcat:9.0.15
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cpe:2.3:a:apache:tomcat:9.0.16
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cpe:2.3:a:apache:tomcat:9.0.17
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cpe:2.3:a:apache:tomcat:9.0.18
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cpe:2.3:a:apache:tomcat:9.0.19
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cpe:2.3:a:apache:tomcat:9.0.2
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cpe:2.3:a:apache:tomcat:9.0.20
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cpe:2.3:a:apache:tomcat:9.0.21
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cpe:2.3:a:apache:tomcat:9.0.22
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cpe:2.3:a:apache:tomcat:9.0.23
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cpe:2.3:a:apache:tomcat:9.0.24
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cpe:2.3:a:apache:tomcat:9.0.25
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cpe:2.3:a:apache:tomcat:9.0.26
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cpe:2.3:a:apache:tomcat:9.0.27
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cpe:2.3:a:apache:tomcat:9.0.28
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cpe:2.3:a:apache:tomcat:9.0.29
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cpe:2.3:a:apache:tomcat:9.0.3
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cpe:2.3:a:apache:tomcat:9.0.30
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cpe:2.3:a:apache:tomcat:9.0.31
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cpe:2.3:a:apache:tomcat:9.0.32
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cpe:2.3:a:apache:tomcat:9.0.33
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cpe:2.3:a:apache:tomcat:9.0.34
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cpe:2.3:a:apache:tomcat:9.0.35
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cpe:2.3:a:apache:tomcat:9.0.35-3.39.1
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cpe:2.3:a:apache:tomcat:9.0.35-3.57.3
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cpe:2.3:a:apache:tomcat:9.0.36
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cpe:2.3:a:apache:tomcat:9.0.37
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cpe:2.3:a:apache:tomcat:9.0.38
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cpe:2.3:a:apache:tomcat:9.0.39
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cpe:2.3:a:apache:tomcat:9.0.4
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cpe:2.3:a:apache:tomcat:9.0.40
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cpe:2.3:a:apache:tomcat:9.0.41
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cpe:2.3:a:apache:tomcat:9.0.42
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cpe:2.3:a:apache:tomcat:9.0.43
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cpe:2.3:a:apache:tomcat:9.0.44
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cpe:2.3:a:apache:tomcat:9.0.45
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cpe:2.3:a:apache:tomcat:9.0.46
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cpe:2.3:a:apache:tomcat:9.0.5
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cpe:2.3:a:apache:tomcat:9.0.6
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cpe:2.3:a:apache:tomcat:9.0.7
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cpe:2.3:a:apache:tomcat:9.0.8
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cpe:2.3:a:apache:tomcat:9.0.9
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cpe:2.3:a:apache:tomee:8.0.6
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cpe:2.3:a:mcafee:epolicy_orchestrator:-
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cpe:2.3:a:mcafee:epolicy_orchestrator:2.0
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cpe:2.3:a:mcafee:epolicy_orchestrator:2.5
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cpe:2.3:a:mcafee:epolicy_orchestrator:2.5.1
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cpe:2.3:a:mcafee:epolicy_orchestrator:3.0
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cpe:2.3:a:mcafee:epolicy_orchestrator:3.5.0
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cpe:2.3:a:mcafee:epolicy_orchestrator:3.6.0
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cpe:2.3:a:mcafee:epolicy_orchestrator:3.6.1
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cpe:2.3:a:mcafee:epolicy_orchestrator:4.0
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cpe:2.3:a:mcafee:epolicy_orchestrator:4.5.0
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cpe:2.3:a:mcafee:epolicy_orchestrator:4.5.3
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cpe:2.3:a:mcafee:epolicy_orchestrator:4.5.4
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cpe:2.3:a:mcafee:epolicy_orchestrator:4.5.5
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cpe:2.3:a:mcafee:epolicy_orchestrator:4.5.6
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cpe:2.3:a:mcafee:epolicy_orchestrator:4.5.7
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cpe:2.3:a:mcafee:epolicy_orchestrator:4.6.0
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cpe:2.3:a:mcafee:epolicy_orchestrator:4.6.1
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cpe:2.3:a:mcafee:epolicy_orchestrator:4.6.2
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cpe:2.3:a:mcafee:epolicy_orchestrator:4.6.3
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cpe:2.3:a:mcafee:epolicy_orchestrator:4.6.4
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cpe:2.3:a:mcafee:epolicy_orchestrator:4.6.5
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cpe:2.3:a:mcafee:epolicy_orchestrator:4.6.6
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cpe:2.3:a:mcafee:epolicy_orchestrator:4.6.7
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cpe:2.3:a:mcafee:epolicy_orchestrator:4.6.8
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cpe:2.3:a:mcafee:epolicy_orchestrator:4.6.9
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cpe:2.3:a:mcafee:epolicy_orchestrator:5.0.0
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cpe:2.3:a:mcafee:epolicy_orchestrator:5.0.1
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cpe:2.3:a:mcafee:epolicy_orchestrator:5.1.0
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cpe:2.3:a:mcafee:epolicy_orchestrator:5.1.1
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cpe:2.3:a:mcafee:epolicy_orchestrator:5.1.2
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cpe:2.3:a:mcafee:epolicy_orchestrator:5.1.3
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cpe:2.3:a:mcafee:epolicy_orchestrator:5.10.0
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cpe:2.3:a:mcafee:epolicy_orchestrator:5.3.0
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cpe:2.3:a:mcafee:epolicy_orchestrator:5.3.1
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cpe:2.3:a:mcafee:epolicy_orchestrator:5.3.2
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cpe:2.3:a:mcafee:epolicy_orchestrator:5.3.3
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cpe:2.3:a:mcafee:epolicy_orchestrator:5.9.0
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cpe:2.3:a:mcafee:epolicy_orchestrator:5.9.1
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cpe:2.3:a:oracle:agile_plm:9.3.6
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cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.14.0
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cpe:2.3:a:oracle:communications_cloud_native_core_service_communication_proxy:1.14.0
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cpe:2.3:a:oracle:communications_diameter_signaling_router:8.0.0.0
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cpe:2.3:a:oracle:communications_diameter_signaling_router:8.1
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cpe:2.3:a:oracle:communications_diameter_signaling_router:8.2
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cpe:2.3:a:oracle:communications_diameter_signaling_router:8.2.1
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cpe:2.3:a:oracle:communications_diameter_signaling_router:8.2.2
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cpe:2.3:a:oracle:communications_diameter_signaling_router:8.3
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cpe:2.3:a:oracle:communications_diameter_signaling_router:8.3.0.0
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cpe:2.3:a:oracle:communications_diameter_signaling_router:8.4
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cpe:2.3:a:oracle:communications_diameter_signaling_router:8.4.0.0
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cpe:2.3:a:oracle:communications_diameter_signaling_router:8.4.0.5
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cpe:2.3:a:oracle:communications_diameter_signaling_router:8.5.0
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cpe:2.3:a:oracle:communications_diameter_signaling_router:8.5.0.2
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cpe:2.3:a:oracle:communications_instant_messaging_server:10.0.1.5.0
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cpe:2.3:a:oracle:communications_policy_management:12.5.0
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cpe:2.3:a:oracle:communications_pricing_design_center:12.0.0.3.0
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cpe:2.3:a:oracle:communications_session_report_manager:8.0.0
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cpe:2.3:a:oracle:communications_session_report_manager:8.0.0.0
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cpe:2.3:a:oracle:communications_session_report_manager:8.1.0
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cpe:2.3:a:oracle:communications_session_report_manager:8.1.1
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cpe:2.3:a:oracle:communications_session_report_manager:8.2.0
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cpe:2.3:a:oracle:communications_session_report_manager:8.2.1
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cpe:2.3:a:oracle:communications_session_report_manager:8.2.2
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cpe:2.3:a:oracle:communications_session_report_manager:8.2.2.1
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cpe:2.3:a:oracle:communications_session_report_manager:8.2.4.0
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cpe:2.3:a:oracle:communications_session_route_manager:8.0.0
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cpe:2.3:a:oracle:communications_session_route_manager:8.1.0
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cpe:2.3:a:oracle:communications_session_route_manager:8.1.1
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cpe:2.3:a:oracle:communications_session_route_manager:8.2.0
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cpe:2.3:a:oracle:communications_session_route_manager:8.2.0.0
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cpe:2.3:a:oracle:communications_session_route_manager:8.2.1
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cpe:2.3:a:oracle:communications_session_route_manager:8.2.2
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cpe:2.3:a:oracle:communications_session_route_manager:8.2.2.1
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cpe:2.3:a:oracle:communications_session_route_manager:8.2.4
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cpe:2.3:a:oracle:graph_server_and_client:-
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cpe:2.3:a:oracle:graph_server_and_client:21.3.0
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cpe:2.3:a:oracle:healthcare_translational_research:4.1.0
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cpe:2.3:a:oracle:hospitality_cruise_shipboard_property_management_system:20.1.0
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cpe:2.3:a:oracle:instantis_enterprisetrack:17.1
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cpe:2.3:a:oracle:instantis_enterprisetrack:17.2
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cpe:2.3:a:oracle:instantis_enterprisetrack:17.3
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cpe:2.3:a:oracle:managed_file_transfer:12.2.1.3.0
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cpe:2.3:a:oracle:managed_file_transfer:12.2.1.4.0
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cpe:2.3:a:oracle:mysql_enterprise_monitor:-
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cpe:2.3:a:oracle:mysql_enterprise_monitor:2.3.14
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.0.25
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.0.4
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.1.0
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.1.1
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.1.2
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.1.3
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.1.3.7856
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.1.4
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.1.5
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.1.6
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.1.6.8003
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.1.7
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.2.0
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.2.1
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.2.10
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.2.1182
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.2.2
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.2.3
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.2.4
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.2.5
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.2.6
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.2.7
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.2.8
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.2.8.2223
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.2.9
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.3.0
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.3.1
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.3.2
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.3.2.1162
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.3.3
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.3.4
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.3.4.3247
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.3.5
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.3.6
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.3.6.3293
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.3.7
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.3.8
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.3.9
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.4.0
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.4.1
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.4.10
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.4.2
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.4.2.4181
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.4.3
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.4.4
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.4.4.4226
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.4.5
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.4.6
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.4.7
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.4.7.4297
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.4.8
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.4.9
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cpe:2.3:a:oracle:mysql_enterprise_monitor:3.4.9.4237
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cpe:2.3:a:oracle:mysql_enterprise_monitor:4.0.0
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cpe:2.3:a:oracle:mysql_enterprise_monitor:4.0.0.5135
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cpe:2.3:a:oracle:mysql_enterprise_monitor:4.0.1
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cpe:2.3:a:oracle:mysql_enterprise_monitor:4.0.11.5331
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cpe:2.3:a:oracle:mysql_enterprise_monitor:4.0.12
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cpe:2.3:a:oracle:mysql_enterprise_monitor:4.0.2
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cpe:2.3:a:oracle:mysql_enterprise_monitor:4.0.3
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cpe:2.3:a:oracle:mysql_enterprise_monitor:4.0.4
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cpe:2.3:a:oracle:mysql_enterprise_monitor:4.0.4.5235
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cpe:2.3:a:oracle:mysql_enterprise_monitor:4.0.5
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cpe:2.3:a:oracle:mysql_enterprise_monitor:4.0.6
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cpe:2.3:a:oracle:mysql_enterprise_monitor:4.0.6.5281
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cpe:2.3:a:oracle:mysql_enterprise_monitor:4.0.7
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cpe:2.3:a:oracle:mysql_enterprise_monitor:4.0.8
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cpe:2.3:a:oracle:mysql_enterprise_monitor:4.1
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cpe:2.3:a:oracle:mysql_enterprise_monitor:8.0.0
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cpe:2.3:a:oracle:mysql_enterprise_monitor:8.0.0.8131
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cpe:2.3:a:oracle:mysql_enterprise_monitor:8.0.1
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cpe:2.3:a:oracle:mysql_enterprise_monitor:8.0.14
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cpe:2.3:a:oracle:mysql_enterprise_monitor:8.0.18.1217
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cpe:2.3:a:oracle:mysql_enterprise_monitor:8.0.2
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cpe:2.3:a:oracle:mysql_enterprise_monitor:8.0.2.8191
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cpe:2.3:a:oracle:mysql_enterprise_monitor:8.0.20
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cpe:2.3:a:oracle:mysql_enterprise_monitor:8.0.21
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cpe:2.3:a:oracle:mysql_enterprise_monitor:8.0.22
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cpe:2.3:a:oracle:mysql_enterprise_monitor:8.0.23
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cpe:2.3:a:oracle:mysql_enterprise_monitor:8.0.25
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cpe:2.3:a:oracle:mysql_enterprise_monitor:8.0.3
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cpe:2.3:a:oracle:sd-wan_edge:9.0
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cpe:2.3:a:oracle:sd-wan_edge:9.1
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cpe:2.3:a:oracle:secure_global_desktop:5.6
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cpe:2.3:a:oracle:utilities_testing_accelerator:6.0.0.1.1
-
cpe:2.3:a:oracle:utilities_testing_accelerator:6.0.0.2.2
-
cpe:2.3:a:oracle:utilities_testing_accelerator:6.0.0.3.1
-
cpe:2.3:o:debian:debian_linux:10.0
-
cpe:2.3:o:debian:debian_linux:9.0