CVE-2022-21187

Libvcs vulnerability

CVSS

8.1

EPSS

3.7%

EPSS pct

89th

Exploited

No known

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.

Affected vendor

Libvcs Project

Affected product

Libvcs

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-88 — Argument Injection

Published

2022-03-14

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2022-21187

Confirm whether Libvcs Project Libvcs is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2022-21187.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2022-21187

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