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Case File

CVE-2011-4197

HIGH · CVSS 7.5 EPSS 2.00% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2012-01-03 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

Exhibit — Public Exploit Signal

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

GitHub PoC Links
github.com ↗ github.com ↗

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

CVE
CVE-2011-4197
Severity
HIGH
CVSS
7.5
EPSS
2.00%

Original Filing — NVD Description

etc/inc/certs.inc in the PKI implementation in pfSense before 2.0.1 creates each X.509 certificate with a true value for the CA basic constraint, which allows remote attackers to create sub-certificates for arbitrary subjects by leveraging the private key.