login.php in Zenas PaoLink 1.0, when register_globals is enabled, allows remote attackers to bypass authentication and gain administrative…

published 2009-09-25 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-3405

cvss: 6.8; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.6%; EPSS 2.6% chance of exploitation in 30 days, percentile 85%
public exploits: 1; Exploit-DB

login.php in Zenas PaoLink 1.0, when register_globals is enabled, allows remote attackers to bypass authentication and gain administrative access by setting the login_ok parameter to 1.

Timeline

2009-07-28 First public exploit (EDB-9292)
2009-09-25 Published

Exploit prediction

2.57% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

EDB-9292 PaoLink 1.0 - 'login_ok' Authentication Bypass webapps, 2009-07-28
osvdb.org http://www.osvdb.org/56756 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-287 Improper Authentication

References

exploit-db.com /exploits/9292
exploit
osvdb.org /56756
vdb-entry, exploit
secunia.com /advisories/36023
third-party-advisory, vendor-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/52099
vdb-entry

Sources

CVE List CVE-2009-3423
NVD CVE-2009-3423

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary