SEPTEMBER 30, 2026
Live Feed
Back to database
Case File

CVE-2021-27903

CRITICAL · CVSS 9.8 EPSS 2.82% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-06-30 · 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
remote code execution code execution

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

CVE
CVE-2021-27903
Severity
CRITICAL
CVSS
9.8
EPSS
2.82%

Original NVD Description

An issue was discovered in Craft CMS before 3.6.7. In some circumstances, a potential Remote Code Execution vulnerability existed on sites that did not restrict administrative changes (if an attacker were somehow able to hijack an administrator's session).

Related CVEs

Other vulnerabilities affecting the same vendor(s)