Vulnerability Details CVE-2008-2420
The OCSP functionality in stunnel before 4.24 does not properly search certificate revocation lists (CRL), which allows remote attackers to bypass intended access restrictions by using revoked certificates.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 64.2%
CVSS Severity
CVSS v2 Score 6.8
Products affected by CVE-2008-2420
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cpe:2.3:a:stunnel:stunnel:3.10
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cpe:2.3:a:stunnel:stunnel:3.11
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cpe:2.3:a:stunnel:stunnel:3.12
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cpe:2.3:a:stunnel:stunnel:3.13
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cpe:2.3:a:stunnel:stunnel:3.14
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cpe:2.3:a:stunnel:stunnel:3.15
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cpe:2.3:a:stunnel:stunnel:3.16
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cpe:2.3:a:stunnel:stunnel:3.17
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cpe:2.3:a:stunnel:stunnel:3.18
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cpe:2.3:a:stunnel:stunnel:3.19
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cpe:2.3:a:stunnel:stunnel:3.20
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cpe:2.3:a:stunnel:stunnel:3.21
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cpe:2.3:a:stunnel:stunnel:3.21a
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cpe:2.3:a:stunnel:stunnel:3.21b
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cpe:2.3:a:stunnel:stunnel:3.21c
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cpe:2.3:a:stunnel:stunnel:3.22
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cpe:2.3:a:stunnel:stunnel:3.23
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cpe:2.3:a:stunnel:stunnel:3.24
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cpe:2.3:a:stunnel:stunnel:3.25
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cpe:2.3:a:stunnel:stunnel:3.26
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cpe:2.3:a:stunnel:stunnel:3.4a
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cpe:2.3:a:stunnel:stunnel:3.5
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cpe:2.3:a:stunnel:stunnel:3.6
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cpe:2.3:a:stunnel:stunnel:3.7
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cpe:2.3:a:stunnel:stunnel:3.8
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cpe:2.3:a:stunnel:stunnel:3.8p1
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cpe:2.3:a:stunnel:stunnel:3.8p2
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cpe:2.3:a:stunnel:stunnel:3.8p3
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cpe:2.3:a:stunnel:stunnel:3.8p4
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cpe:2.3:a:stunnel:stunnel:3.9
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cpe:2.3:a:stunnel:stunnel:4.00
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cpe:2.3:a:stunnel:stunnel:4.01
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cpe:2.3:a:stunnel:stunnel:4.02
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cpe:2.3:a:stunnel:stunnel:4.03
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cpe:2.3:a:stunnel:stunnel:4.04
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cpe:2.3:a:stunnel:stunnel:4.05
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cpe:2.3:a:stunnel:stunnel:4.06
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cpe:2.3:a:stunnel:stunnel:4.07
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cpe:2.3:a:stunnel:stunnel:4.08
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cpe:2.3:a:stunnel:stunnel:4.09
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cpe:2.3:a:stunnel:stunnel:4.10
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cpe:2.3:a:stunnel:stunnel:4.11
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cpe:2.3:a:stunnel:stunnel:4.12
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cpe:2.3:a:stunnel:stunnel:4.13
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cpe:2.3:a:stunnel:stunnel:4.14
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cpe:2.3:a:stunnel:stunnel:4.15
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cpe:2.3:a:stunnel:stunnel:4.16
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cpe:2.3:a:stunnel:stunnel:4.17
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cpe:2.3:a:stunnel:stunnel:4.18
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cpe:2.3:a:stunnel:stunnel:4.19
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cpe:2.3:a:stunnel:stunnel:4.20
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cpe:2.3:a:stunnel:stunnel:4.21
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cpe:2.3:a:stunnel:stunnel:4.22
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cpe:2.3:a:stunnel:stunnel:4.23