Description
The package libvcs before 0.11.1 are vulnerable to Command Injection via argument injection. When calling the update_repo function (when using hg), the url parameter is passed to the hg clone command. By injecting some hg options it was possible to get arbitrary command execution.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| snykCNA (assigner) | 3.1 | High8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 3.6% · top 10% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.1.
Weakness
- Command Injection
- CWE-88 (opens in a new tab)All about CWE-88 and its CVEs
Affected products
libvcs
- affected unspecified – < 0.11.1
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- PyPIlibvcsGHSA-mv2w-4jqc-6fg4 (opens in a new tab)
- PyPIvcspullGHSA-mv2w-4jqc-6fg4 (opens in a new tab)
References (3)
- https://snyk.io/vuln/SNYK-PYTHON-LIBVCS-2421204 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/vcs-python/libvcs/blob/v0.11.1/CHANGES%23libvcs-0111-2022-03-12 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/vcs-python/libvcs/pull/306 (opens in a new tab)x_refsource_MISCx_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-mv2w-4jqc-6fg4 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-21187)Record last updated .