PT-2021-23100
CVE-2021-41116
·
Published
2021-10-05
·
Updated
2026-09-30
Description by
CVSS 3.1
9.8
CriticalMetricsAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions
Composer versions prior to 1.10.23
Composer versions prior to 2.1.9
Description
The issue affects Windows users running Composer to install untrusted dependencies, subjecting them to command injection. Other operating systems and Windows Subsystem for Linux (WSL) are not affected.
Recommendations
For versions prior to 1.10.23, upgrade to version 1.10.23 or later.
For versions prior to 2.1.9, upgrade to version 2.1.9 or later.
As a temporary workaround, consider avoiding the installation of untrusted dependencies until a patch is applied.
Exploitability
Exploit
Fix
Impacts
Vendors
Affected products
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