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

Vendor	Product	Versions
n/a	n/a	n/a

References

http://secunia.com/advisories/36023Broken Link, Vendor Advisory
http://www.exploit-db.com/exploits/9293Third Party Advisory, VDB Entry
http://www.osvdb.org/56757Broken Link, Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/52100Third Party Advisory, VDB Entry
http://secunia.com/advisories/36023Broken Link, Vendor Advisory
http://www.exploit-db.com/exploits/9293Third Party Advisory, VDB Entry
http://www.osvdb.org/56757Broken Link, Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/52100Third Party Advisory, VDB Entry

Timeline

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

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