Vulnerability CVE-2021-41116
Published: 2021-10-05

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.

Type:

CWE-77

 (Improper Neutralization of Special Elements used in a Command ('Command Injection'))

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Getcomposer -> Composer 

 References:
https://github.com/composer/composer/commit/ca5e2f8d505fd3bfac6f7c85b82f2740becbc0aa
https://github.com/composer/composer/security/advisories/GHSA-frqg-7g38-6gcf
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