Vulnerability Details CVE-2021-21559
Dell EMC NetWorker, versions 18.x, 19.1.x, 19.2.x 19.3.x, 19.4, and 19.4.0.1 contain an Improper Certificate Validation vulnerability in the client (NetWorker Management Console) components which uses SSL encrypted connection in order to communicate with the application server. An unauthenticated attacker in the same network collision domain as the NetWorker Management Console client could potentially exploit this vulnerability to perform man-in-the-middle attacks to intercept and tamper the traffic between the client and the application server.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 9.0%
CVSS Severity
CVSS v3 Score 7.1
CVSS v2 Score 2.9
References
Products affected by CVE-2021-21559
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cpe:2.3:a:dell:emc_networker:18.1.0.1
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cpe:2.3:a:dell:emc_networker:18.1.0.2
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cpe:2.3:a:dell:emc_networker:18.2
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cpe:2.3:a:dell:emc_networker:18.2.0.0
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cpe:2.3:a:dell:emc_networker:19.1
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cpe:2.3:a:dell:emc_networker:19.1.1
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cpe:2.3:a:dell:emc_networker:19.1.1.0
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cpe:2.3:a:dell:emc_networker:19.2
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cpe:2.3:a:dell:emc_networker:19.2.1
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cpe:2.3:a:dell:emc_networker:19.2.1.0
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cpe:2.3:a:dell:emc_networker:19.3
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cpe:2.3:a:dell:emc_networker:19.3.0.0
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cpe:2.3:a:dell:emc_networker:19.3.0.2
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cpe:2.3:a:dell:emc_networker:19.4
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cpe:2.3:a:dell:emc_networker:19.4.0.0
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cpe:2.3:a:dell:emc_networker:19.4.0.1