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CVE-2017-9462
In Mercurial before 4.1.3, "hg serve --stdio" allows remote authenticated users to launch the Python debugger, and consequently execute…
High8.8EPSS 21.7%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
In Mercurial before 4.1.3, "hg serve --stdio" allows remote authenticated users to launch the Python debugger, and consequently execute arbitrary code, by using --debugger as a repository name.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 21.7% · top 2.4% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- PyPImercurialGHSA-ghjx-3jg5-h6r2 (opens in a new tab)
References (8)
- RHSA-2017:1576 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://www.mercurial-scm.org/repo/hg/rev/77eaf9539499 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.1.3_.282017-4-18.29 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [debian-lts-announce] 20180705 [SECURITY] [DLA 1414-1] mercurial security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- DSA-3963 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- GLSA-201709-18 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- https://bugs.debian.org/861243 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 99123 (opens in a new tab)vdb-entryx_refsource_BIDx_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)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-ghjx-3jg5-h6r2 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .