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

EPSS: 0.008 (53.3th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

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.