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Case File

CVE-2021-23420

HIGH · CVSS 7.7 EPSS 2.71% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-08-11 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.7. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-23420
Severity
HIGH
CVSS
7.7
EPSS
2.71%

Original NVD Description

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.