CVE-2014-8155

Name: CVE-2014-8155
Creator: NVD / NIST
Published: 2015-08-14T18:59:01.347+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.05%

Last modified Jun 17, 2026

CVE-2014-8155 is a vulnerability of currently unknown severity. 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attackers to spoof servers via a certificate issued by a CA certificate that is (1) not yet valid or (2) no longer valid.. EPSS estimates a 1.05% chance of exploitation in the next 30 days.

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attackers to spoof servers via a certificate issued by a CA certificate that is (1) not yet valid or (2) no longer valid.

Metrics

EPSS Probability

1.05%

59.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-17

Affected Software

Vendor	Product	Versions
Gnu	Gnutls	<= 2.9.9

References

Timeline

Published: Aug 14, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-8155?

How severe is CVE-2014-8155?

Severity scoring for CVE-2014-8155 is pending analysis. The EPSS model estimates a 1.05% probability of exploitation in the next 30 days.

How do I fix CVE-2014-8155?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2014-8155?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST