Auth bypass in Zenas Pao-bacheca_guestbook
CVE-2009-3421
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.
Vulnerability class: Broken Authentication
EPSS: 0.050 (91.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Zenas Pao-bacheca_guestbook — versions 2.1
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_XF)
- cve@mitre.org (VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
- cve@mitre.org (x_refsource_OSVDB, Exploit, vdb-entry, Broken Link)
- cve@mitre.org (x_refsource_SECUNIA, Broken Link, Vendor Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2009-3421?
- CVE-2009-3421 is a critical-severity vulnerability in Zenas Pao-bacheca_guestbook, classified under Improper Authentication. CVSS score: 9.8/10. Published 2009-09-25.
- How severe is CVE-2009-3421?
- Critical severity. CVSS v3 base score is 9.8 out of 10.