CVE-2010-4237
Mercurial Improper Certificate Validation vulnerability
5.9
MEDIUM
CVSS 3.1
EPSS 0.31%
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.
How to fix CVE-2010-4237
To remediate CVE-2010-4237, upgrade the affected package to a fixed version below.
- Debian/mercurial—upgrade to 1.6.4-1 or later
- —upgrade to 1.6.4 or later
Is CVE-2010-4237 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.6.4-1
- from 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 |