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CVE-2009-3423

27
FAUCET Score

CVE-2009-3423 describes an authentication bypass vulnerability in Zenas PaoLink 1.0. When the register_globals setting is enabled, remote attackers can gain administrative access by manipulating the login_ok parameter in login.php. This vulnerability has a CVSS score of 6.8, indicating a medium severity with potential for partial confidentiality, integrity, and availability impact, requiring no authentication and moderate attack complexity. While not listed in CISA's KEV catalog, exploit code is publicly available on ExploitDB (EDB-9292), though there is no evidence of active exploitation, Metasploit modules, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:a:zenas:paolink:1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.57%
Probability of exploitation in next 30 days
EPSS Percentile
83.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
ExploitDB: EDB-9292 · Jul 28, 2009
This CVE's current EPSS score of 0.0257 is in the 74th percentile among its peer group of 19,954 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

secunia.com / advisories/36023
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/52099
exploit-db.com / exploits/9292
osvdb.org / 56756
Exploit