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.
Published 2008-05-23 15:32:00
Updated 2025-04-09 00:30:58
Source MITRE
View at NVD,   CVE.org

Products affected by CVE-2008-2420

Exploit prediction scoring system (EPSS) score for CVE-2008-2420

EPSS FAQ
0.49%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 63 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2008-2420

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.8
 MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
 NIST

CWE ids for CVE-2008-2420

  • Assigned by: nvd@nist.gov (Primary)

Vendor statements for CVE-2008-2420

  • Red Hat 2008-05-26
    Not vulnerable. OCSP protocol support was only implemented in upstream stunnel version 4.16. Therefore OCSP protocol is not available in the versions of stunnel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.

References for CVE-2008-2420

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