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CVE-2014-1959

17
FAUCET Score

CVE-2014-1959 describes a vulnerability in GnuTLS versions before 3.1.21 and 3.2.x before 3.2.11, where the software incorrectly treats version 1 X.509 certificates as intermediate Certificate Authorities. This flaw allows remote attackers to bypass security restrictions by using a trusted X.509 V1 certificate to issue new, unauthorized certificates. With a CVSS score of 5.8, this vulnerability has a medium severity, indicating a network-based attack with medium complexity that could lead to partial compromise of confidentiality and integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion, with only one mention and one media article identified.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.1.20CPE matchmatch criteria
cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:*
3.1.0CPE matchmatch criteria
cpe:2.3:a:gnu:gnutls:3.1.0:*:*:*:*:*:*:*
3.1.1CPE matchmatch criteria
cpe:2.3:a:gnu:gnutls:3.1.1:*:*:*:*:*:*:*
3.1.2CPE matchmatch criteria
cpe:2.3:a:gnu:gnutls:3.1.2:*:*:*:*:*:*:*
3.1.3CPE matchmatch criteria
cpe:2.3:a:gnu:gnutls:3.1.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.8MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.42%
Probability of exploitation in next 30 days
EPSS Percentile
87.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0342 is in the 82nd percentile among its peer group of 19,958 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2014-1959Moderate

gnutls: incorrect handling of V1 intermediate certificates (GNUTLS-SA-2014-1)

Feb 12, 2014

References

seclists.org / oss-sec/2014/q1/344
seclists.org / oss-sec/2014/q1/345
gitorious.org / gnutls/gnutls/commit/b1abfe3d182d68539900092eb42fc62cf1bb7e7c
ExploitPatch
debian.org / security/2014/dsa-2866
gnutls.org / security.html
Vendor Advisory
securityfocus.com / bid/65559
ubuntu.com / usn/USN-2121-1