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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…
- 5.9MediumCVSS base score
- 0.82%Exploitation in 30 daysEPSS · top 42% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By canonical
- 9 years later
· 9 years later
Published
- 5 years later
· 5 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
- EPSS (exploitation in 30 days)
- 0.82% · top 42% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.9.
Affected products
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- PyPImercurialGHSA-7gf7-7wx4-mxmw (opens in a new tab)
References
4
- https://security-tracker.debian.org/tracker/CVE-2010-4237 (opens in a new tab)x_refsource_MISCx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2010-4237 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=598841 (opens in a new tab)x_refsource_MISCx_transferred
- https://bz.mercurial-scm.org/show_bug.cgi?id=2407 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-1665 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-7gf7-7wx4-mxmw (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2010-4237)Record last updated .