CVE-2021-41116
Command injection in composer on Windows
8.2
HIGH
CVSS 3.1
EPSS 0.97%
Description
Composer is an open source dependency manager for the PHP language. In affected versions windows users running Composer to install untrusted dependencies are subject to command injection and should upgrade their composer version. Other OSs and WSL are not affected. The issue has been resolved in composer versions 1.10.23 and 2.1.9. There are no workarounds for this issue.
How to fix CVE-2021-41116
To remediate CVE-2021-41116, upgrade the affected package to a fixed version below.
- —upgrade to 1.10.23 or later
- —upgrade to 1.10.23 or later
Is CVE-2021-41116 being exploited?
Low — EPSS is 1.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.10.23, >= 2.0.0, < 2.1.9
- from 0, < 1.10.23
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N |