VULNERABILITY INTELLIGENCE
CVE-2010-1194
CVSS score6.8 MEDIUM
EPSS probability1.35%
CISA KEVNot currently listed
Published2010-03-31
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:P/I:P/A:P
Description
The match_component function in smtp-tls.c in libESMTP 1.0.3.r1, and possibly other versions including 1.0.4, treats two strings as equal if one is a substring of the other, which allows remote attackers to spoof trusted certificates via a crafted subjectAltName.