CVE-2009-3766

MediumCVSS 6.8/10Last modified Jun 16, 2026

Description

mutt_ssl.c in mutt 1.5.16 and other versions before 1.5.19, when OpenSSL is used, does not verify the domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Metrics

CVSS 2.0 6.8/10AV:N/AC:M/Au:N/C:P/I:P/A:P

Weakness enumeration

CWE-310

Affected software

VendorProductVersions
n/an/an/a

References

Timeline

Published
Oct 23, 2009
Last modified
Jun 16, 2026
NVD status
Modified

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CVE-2009-3766: Medium severity, CVSS 6.8 | Vulnix