AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2021-47812

CRITICAL · CVSS 9.8 EPSS 1.99% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-01-16 · 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. It may be remotely exploitable.

Public Exploit Signal

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

Detected Signals
exploit
External Security References

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

CVE
CVE-2021-47812
Severity
CRITICAL
CVSS
9.8
EPSS
1.99%

Original NVD Description

GravCMS 1.10.7 contains an unauthenticated vulnerability that allows remote attackers to write arbitrary YAML configuration and execute PHP code through the scheduler endpoint. Attackers can exploit the admin-nonce parameter to inject base64-encoded payloads and create malicious custom jobs with system command execution.

Related CVEs

Other vulnerabilities affecting the same vendor(s)