CVE-2010-4237
MEDIUM5.9EPSS 0.31%Mercurial Improper Certificate Validation vulnerability
Published: 4/21/2022Modified: 4/28/2026
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.
Affected packages (2)
- Debian/mercurialfrom 0, < 1.6.4-1
- PyPI/mercurialfrom 0, < 1.6.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
References (9)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2010-4237
- WEBhttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=598841
- WEBhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2010-4237
- WEBhttps://bz.mercurial-scm.org/show_bug.cgi?id=2407
- WEBhttps://github.com/dscho/hg/commit/4ea63fb25ceeeaaa4cd1026f733b7ea7672c30b3
- WEBhttps://github.com/dscho/hg/commit/89baabf4fb7abf30ef6fdcf3d455a7893e5cc145
- WEBhttps://repo.mercurial-scm.org/hg/rev/6ab4a7d3c179
- WEBhttps://repo.mercurial-scm.org/hg/rev/f2937d6492c5
- WEBhttps://security-tracker.debian.org/tracker/CVE-2010-4237