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CVE-2014-2900

MEDIUM · CVSS 5.8EPSS 1.0%EU EUVD

wolfSSL CyaSSL before 2.9.4 does not properly validate X.509 certificates with unknown critical extensions, which allows man-in-the-middle attackers to spoof servers via crafted X.509 certificate.

Key facts

CVSS score
5.8 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:N
Weakness (CWE)
CWE-310
EPSS score
1.0% (62th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2014-2923)
Published
April 22, 2014
NVD last modified
June 17, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-2923 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • yassl / cyassl
  • yassl / cyassl
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  • yassl / cyassl
  • yassl / cyassl
  • yassl / cyassl
  • yassl / cyassl
  • yassl / cyassl

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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