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CVE-2021-23420: Deserialization of Untrusted Data

August 11, 2021 (updated August 19, 2021)

The RunProcess class can be leveraged as a gadget to run arbitrary commands on a system that is deserializing user input without validation.

References

  • nvd.nist.gov/vuln/detail/CVE-2021-23420

Code Behaviors & Features

Detect and mitigate CVE-2021-23420 with GitLab Dependency Scanning

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Affected versions

All versions before 3.1.3, all versions starting from 4.0.0 before 4.1.22

Fixed versions

  • 3.1.3
  • 4.1.22

Solution

Upgrade to versions 3.1.3, 4.1.22 or above.

Impact 9.8 CRITICAL

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

Learn more about CVSS

Source file

packagist/codeception/codeception/CVE-2021-23420.yml

Spotted a mistake? Edit the file on GitLab.

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