CVE-2021-41116
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
5.5
Description
Improper escaping of command arguments on Windows leading to command injection
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 2.1.9-1 | |
| debian | bookworm | fixed | 0 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 0 |
| debian | sid | fixed | 0 |
| debian | trixie | fixed | 0 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Packagist | composer/composer | <1.10.23 | 1.10.23 |
| Packagist | composer/composer | >=2.0.0-alpha1,<2.1.9 | 2.1.9 |
References
- https://security-tracker.debian.org/tracker/CVE-2021-41116
- https://github.com/composer/composer/security/advisories/GHSA-frqg-7g38-6gcf
- https://nvd.nist.gov/vuln/detail/CVE-2021-41116
- https://github.com/composer/composer/commit/ca5e2f8d505fd3bfac6f7c85b82f2740becbc0aa
- https://github.com/FriendsOfPHP/security-advisories/blob/master/composer/composer/CVE-2021-41116.yaml
- https://github.com/composer/composer
- https://www.sonarsource.com/blog/securing-developer-tools-package-managers
- https://www.tenable.com/security/tns-2022-09
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.