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Vulnerability record · CVE-2014-8155 · published 14 August 2015

CVE-2014-8155: Gnutls vulnerability

Gnu · Gnutls

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attackers to spoof servers via a certificate issued by a CA certificate that is (1) not yet valid or (2) no longer valid.

4.3 CVSS 2.0 Medium EPSS 1.0% · top 36.9% CWE-17 · CWE-17
4.3CVSS 2.0 base score
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

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attackers to spoof servers via a certificate issued by a CA certificate that is (1) not yet valid or (2) no longer valid.

AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
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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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2014-8155), CISA KEV, FIRST EPSS (scores of 2026-10-07). This page is refreshed as NVD updates the record.