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Case File

CVE-2021-27213

CRITICAL · CVSS 9.8 EPSS 2.61% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-02-14 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. 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.

Detected Signals
code execution
GitHub PoC Links
github.com ↗

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

CVE
CVE-2021-27213
Severity
CRITICAL
CVSS
9.8
EPSS
2.61%

Original NVD Description

config.py in pystemon before 2021-02-13 allows code execution via YAML deserialization because SafeLoader and safe_load are not used.