CVE-2021-23420

This affects the package codeception/codeception from 4.0.0 and before 4.1.22, before 3.1.3. The RunProcess class can be leveraged as a gadget to run arbitrary commands on a system that is deserializing user input without validation.

• CWE-502

• https://github.com/Codeception/Codeception/blob/4.1/ext/RunProcess.php%23L52Broken Link
• https://github.com/Codeception/Codeception/pull/6241Patch, Third Party Advisory
• https://github.com/JinYiTong/pocExploit, Third Party Advisory
• https://snyk.io/vuln/SNYK-PHP-CODECEPTIONCODECEPTION-1324585Third Party Advisory
• https://github.com/Codeception/Codeception/blob/4.1/ext/RunProcess.php%23L52Broken Link
• https://github.com/Codeception/Codeception/pull/6241Patch, Third Party Advisory
• https://github.com/JinYiTong/pocExploit, Third Party Advisory
• https://snyk.io/vuln/SNYK-PHP-CODECEPTIONCODECEPTION-1324585Third Party Advisory

Published

Aug 11, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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