VULNERABILITY INTELLIGENCE

CVE-2014-2903

CVSS score5.9 MEDIUM

EPSS probability0.96%

CISA KEVNot currently listed

Published2017-10-06

Last modified2026-06-17

CVSS vectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

CyaSSL does not check the key usage extension in leaf certificates, which allows remote attackers to spoof servers via a crafted server certificate not authorized for use in an SSL/TLS handshake.

Primary references

cve@mitre.org — Permissions Required, Third Party Advisory
cve@mitre.org — Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Permissions Required, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory