CVE-2021-41116: Improper escaping of command arguments on Windows leading to command injection

CVE-2021-41116 · Severity: low · CVSS 3.1 · Published 2021-10-05

Improper escaping of command arguments on Windows leading to command injection

Technologies: composer/composer (Packagist). Vendors: Packagist.

Quick answers

Is CVE-2021-41116 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2021-41116 being exploited in the wild.
How severe is CVE-2021-41116?
Low severity, with a CVSS score of 3.1, published 5 October 2021.
Which products and versions are affected?
composer/composer (Packagist) ECOSYSTEM:introduced=0,fixed=1.10.23.
Is there a fix for CVE-2021-41116?
Yes. composer/composer (Packagist): upgrade to 1.10.23 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2021-41116?
Check whether you run composer/composer (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • composer/composer (Packagist): upgrade to 1.10.23 or later
    composer require composer/composer:^1.10.23

Affected products

  • composer/composer (Packagist) ECOSYSTEM:introduced=0,fixed=1.10.23

Identifiers

  • CVE-2021-41116
  • GHSA-frqg-7g38-6gcf

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