VULNERABILITY INTELLIGENCE
CVE-2009-3421
CVSS score9.8 CRITICAL
EPSS probability4.99%
CISA KEVNot currently listed
Published2009-09-25
Last modified2026-06-16
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- nvd@nist.gov: CWE-287
Primary references
- cve@mitre.org — Broken Link, Vendor Advisory
- cve@mitre.org — Third Party Advisory, VDB Entry
- cve@mitre.org — Broken Link, Exploit
- cve@mitre.org — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Broken Link, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Broken Link, Exploit
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry