CVE-2009-3421

CriticalCVSS 9.8/10Last modified Jun 16, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-287

Affected software

No affected versions have been published.

Timeline

Published
Sep 25, 2009
Last modified
Jun 16, 2026
NVD status
Modified

Related CVEs from 2009

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CVE-2009-3421: Critical severity, CVSS 9.8 | Vulnix