Is CVE-2007-2149 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2007-2149, but active exploitation has not been confirmed.

Can CVE-2007-2149 be exploited remotely?

Yes. CVE-2007-2149 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2007-2149?

CVE-2007-2149 has a CVSS score of 10.0 (CRITICAL).

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CRITICALPOC

CVE-2007-2149

NVD-CWE-OtherPublished: April 19, 2007· Updated: Jun 16, 2026

10.0

CVSS v3.1

Official Description

Stephen Craton (aka WiredPHP) Chatness 2.5.3 and earlier stores usernames and unencrypted passwords in (1) classes/vars.php and (2) classes/varstuff.php, and recommends 0666 or 0777 permissions for these files, which allows local users to gain privileges by reading the files, and allows remote attackers to obtain credentials via a direct request for admin/options.php.

NVD Source

Technical Analysis

CVE-2007-2149 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2007-2149. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.