Vulnerability Details : CVE-2014-8155
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attackers to spoof servers via a certificate issued by a CA certificate that is (1) not yet valid or (2) no longer valid.
Exploit prediction scoring system (EPSS) score for CVE-2014-8155
Probability of exploitation activity in the next 30 days: 0.12%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 46 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2014-8155
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST |
CWE ids for CVE-2014-8155
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Assigned by: nvd@nist.gov (Primary)
References for CVE-2014-8155
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https://support.f5.com/csp/article/K53330207
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http://www.securityfocus.com/bid/73317
GnuTLS CVE-2014-8155 Certificate Validation Security Bypass Vulnerability
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https://gitlab.com/gnutls/gnutls/commit/897cbce62c0263a498088ac3e465aa5f05f8719c
Extended time verification to trusted certificate list as well. Introduced (897cbce6) · Commits · gnutls / GnuTLS · GitLab
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http://rhn.redhat.com/errata/RHSA-2015-1457.html
RHSA-2015:1457 - Security Advisory - Red Hat Customer Portal
Products affected by CVE-2014-8155
- cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:*