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Case File

CVE-2009-3421

CRITICAL · CVSS 9.8 EPSS 4.99% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2009-09-25 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

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

External Security References
exploit-db.com ↗

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

CVE
CVE-2009-3421
Severity
CRITICAL
CVSS
9.8
EPSS
4.99%

Original NVD Description

login.php in Zenas PaoBacheca Guestbook 2.1, when register_globals is enabled, allows remote attackers to bypass authentication and gain administrative access by setting the login_ok parameter to 1.