MEDIUM
Mercurial: Doesn't verify subject Common Name
Published Oct 29, 2019
5.9
MEDIUMCVSS 3.1
EPSS 0.82%
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 products
-
- Version 1.6.4StatusaffectedConstraints-
- Version
No data.
Red Hat Enterprise Linux 6
mercurial
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | mercurial | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
5.9 MEDIUM NVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact High
Availability Impact None
No CVSS v3.0 score for this CVE.
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.82% 0.00821
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.00821
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.82% (0.00821) | 55.72th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.81% (0.00814) | 52.07th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.26% (0.00256) | 46.99th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.15% (0.00149) | 52.45th | v3 (v2023.03.01) |
| Jan 24, 2024 | 0.19% (0.00192) | 57.04th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.19% (0.00192) | 55.02th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
Weaknesses (1)
References (13)
- https://access.redhat.com/security/cve/CVE-2010-4237 Vendor Advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=598841 x_refsource_MISCIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=641373 Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2010-4237 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://bz.mercurial-scm.org/show_bug.cgi?id=2407 x_refsource_CONFIRMVendor Advisory
- https://github.com/advisories/GHSA-7gf7-7wx4-mxmw Advisory
- https://github.com/dscho/hg/commit/4ea63fb25ceeeaaa4cd1026f733b7ea7672c30b3
- https://github.com/dscho/hg/commit/89baabf4fb7abf30ef6fdcf3d455a7893e5cc145
- https://nvd.nist.gov/vuln/detail/CVE-2010-4237
- https://repo.mercurial-scm.org/hg/rev/6ab4a7d3c179
- https://repo.mercurial-scm.org/hg/rev/f2937d6492c5
- https://security-tracker.debian.org/tracker/CVE-2010-4237 x_refsource_MISCThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2010-4237
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2010-4237 | Vendor Advisory | |
| https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=598841 | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=641373 | Issue Tracking | |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2010-4237 | x_refsource_CONFIRMIssue TrackingThird Party Advisory | |
| https://bz.mercurial-scm.org/show_bug.cgi?id=2407 | x_refsource_CONFIRMVendor Advisory | |
| https://github.com/advisories/GHSA-7gf7-7wx4-mxmw | Advisory | |
| https://github.com/dscho/hg/commit/4ea63fb25ceeeaaa4cd1026f733b7ea7672c30b3 | ||
| https://github.com/dscho/hg/commit/89baabf4fb7abf30ef6fdcf3d455a7893e5cc145 | ||
| https://nvd.nist.gov/vuln/detail/CVE-2010-4237 | ||
| https://repo.mercurial-scm.org/hg/rev/6ab4a7d3c179 | ||
| https://repo.mercurial-scm.org/hg/rev/f2937d6492c5 | ||
| https://security-tracker.debian.org/tracker/CVE-2010-4237 | x_refsource_MISCThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2010-4237 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner canonical
Published Oct 29, 2019
Updated Aug 7, 2024
Reserved Nov 15, 2010
Link CVE-2010-4237
CISA Vulnrichment
GHSA-7GF7-7WX4-MXMW Updated n/a