Home/CVE/Composer is an open source dependency manager for the PHP language. In affected versions windows users running Composer
CVE

CVE-2021-41116

Composer is an open source dependency manager for the PHP language. In affected versions windows users running Composer

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.

HIGH · CVSS 8.2 EPSS 0.00969
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')
▤

Affected Products & Versions

3
getcomposer composer< 1.10.23
getcomposer composer>= 2.0.0 and < 2.1.9
tenable tenable.sc< 5.21.0
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Packagist composer/composer HIGH fixed in 1.10.23
▣

Scoring & Timeline

8.2
HIGH · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Oct 2021 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
⚑

Vendor Advisories

3
suse-csafopenSUSE-SU-2024:11617-1
suse-csafopenSUSE-SU-2024:11874-1
suse-csafopenSUSE-SU-2022:0132-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/composer/composer/commit/ca5e2f8d505fd3bfac6f7c85b82f2740becbc0aaPatchThird Party Advisory
https://github.com/composer/composer/security/advisories/GHSA-frqg-7g38-6gcfThird Party Advisory
https://www.sonarsource.com/blog/securing-developer-tools-package-managers/
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