Vulnerability in Mercurial
CVE-2010-4237
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.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.008 (55.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Mercurial — versions 1.6.4
Weakness classification (CWE)
References
- security-tracker.debian.org/tracker/CVE-2010-4237 (Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- bugs.debian.org/cgi-bin/bugreport.cgi (Third Party Advisory, Issue Tracking)
- bz.mercurial-scm.org/show_bug.cgi (Vendor Advisory)
Frequently asked questions
- What is CVE-2010-4237?
- CVE-2010-4237 is a medium-severity vulnerability in Mercurial, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2019-10-29.
- How severe is CVE-2010-4237?
- Medium severity. CVSS v3 base score is 5.9 out of 10.