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CVE-2021-41116

HIGH
Published 2021-10-05T17:40:10
Actions:

Expert Analysis

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CVSS Score

V3.1
8.2
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.013
probability
of exploitation in the wild

There is a 1.3% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.791
Higher than 79.1% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
LOW
Availability
NONE

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

composer

composer

Affected Versions:

< 1.10.23 >= 2.0, < 2.1.9

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed HIGH

Improper escaping of command arguments on Windows leading to command injection

GHSA-frqg-7g38-6gcf

Advisory Details

### Impact Windows users running Composer to install untrusted dependencies are affected and should definitely upgrade for safety. Other OSs and WSL are not affected. ### Patches 1.10.23 and 2.1.9 fix the issue ### Workarounds None

Affected Packages

Packagist composer/composer
ECOSYSTEM: ≥0 <1.10.23
Packagist composer/composer
ECOSYSTEM: ≥2.0.0-alpha1 <2.1.9

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

WEB https://github.com/composer/composer/security/advisories/GHSA-frqg-7g38-6gcf
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-41116
WEB https://github.com/composer/composer/commit/ca5e2f8d505fd3bfac6f7c85b82f2740becbc0aa
WEB https://github.com/FriendsOfPHP/security-advisories/blob/master/composer/composer/CVE-2021-41116.yaml
PACKAGE https://github.com/composer/composer
WEB https://www.sonarsource.com/blog/securing-developer-tools-package-managers
WEB https://www.tenable.com/security/tns-2022-09

Advisory provided by GitHub Security Advisory Database. Published: October 5, 2021, Modified: October 11, 2021

References

https://github.com/composer/composer/security/advisories/GHSA-frqg-7g38-6gcf
https://github.com/composer/composer/commit/ca5e2f8d505fd3bfac6f7c85b82f2740becbc0aa
https://www.sonarsource.com/blog/securing-developer-tools-package-managers/
Published: 2021-10-05T17:40:10
Last Modified: 2024-08-04T02:59:31.440Z
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