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Case File

CVE-2009-2666

MEDIUM · CVSS 6.4 EPSS 1.50%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2009-08-07 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.4. See the original NVD description below for full technical details.

CVE
CVE-2009-2666
Severity
MEDIUM
CVSS
6.4
EPSS
1.50%

Original NVD Description

socket.c in fetchmail before 6.3.11 does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.