Description
Mercurial before 1.6.4 fails to verify the Common Name field of SSL certificates which allows remote attackers who acquire a certificate signed by a Certificate Authority to perform a man-in-the-middle attack.
References (4)
Core 4
Core References
Third Party Advisory x_refsource_misc
https://security-tracker.debian.org/tracker/CVE-2010-4237
Issue Tracking, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2010-4237
Issue Tracking, Third Party Advisory x_refsource_misc
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=598841
Vendor Advisory x_refsource_confirm
https://bz.mercurial-scm.org/show_bug.cgi?id=2407
Scores
CVSS v3
5.9
EPSS
0.0081
EPSS Percentile
52.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Details
CWE
CWE-295
Status
published
Products (2)
mercurial/mercurial
< 1.6.4
pypi/mercurial
0 - 1.6.4PyPI
Published
Oct 29, 2019
Tracked Since
Feb 18, 2026