Description
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.
Metrics
CVSS 2.0 5.8/10
AV:N/AC:M/Au:N/C:P/I:P/A:NWeakness enumeration
Affected software
No affected versions have been published.
Timeline
- Published
- Apr 22, 2014
- Last modified
- Jun 17, 2026
- NVD status
- Modified