Unknown · Codeception/Codeception · CVE-2021-23420
**Name of the Vulnerable Software and Affected Versions**
codeception/codeception versions 4.0.0 through 4.1.21
codeception/codeception versions prior to 3.1.3
**Description**
The issue affects systems that deserialize user input without validation, allowing the `RunProcess` class to be leveraged as a gadget to run arbitrary commands.
**Recommendations**
For versions 4.0.0 through 4.1.21, update to version 4.1.22 or later.
For versions prior to 3.1.3, update to version 3.1.3 or later.
As a temporary workaround, consider disabling the `RunProcess` class until a patch is available.