What’s Vulnerable › Vulnerabilities

CVE-2014-8155

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2015-08-14 · updated 2026-06-17
• Weakness: CWE-17

Description

GnuTLS before 2.9.10 does not verify the activation and expiration dates of CA certificates, which allows man-in-the-middle attackers to spoof servers via a certificate issued by a CA certificate that is (1) not yet valid or (2) no longer valid.

Affected products

• [UNKNOWN] gnutls: through 2.9.9

References

• http://rhn.redhat.com/errata/RHSA-2015-1457.html
• http://www.securityfocus.com/bid/73317
• https://gitlab.com/gnutls/gnutls/commit/897cbce62c0263a498088ac3e465aa5f05f8719c
• https://support.f5.com/csp/article/K53330207
• http://rhn.redhat.com/errata/RHSA-2015-1457.html
• http://www.securityfocus.com/bid/73317
• https://gitlab.com/gnutls/gnutls/commit/897cbce62c0263a498088ac3e465aa5f05f8719c
• https://support.f5.com/csp/article/K53330207

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