CVE-2009-1803

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-05-28 · updated 2026-06-16
Weakness: CWE-200

Description

FreePBX 2.5.1, and other 2.4.x, 2.5.x, and pre-release 2.6.x versions, generates different error messages for a failed login attempt depending on whether the user account exists, which allows remote attackers to enumerate valid usernames.

Affected products

Freepbx: 2.4, 2.4.0_beta1, 2.4.0_beta2, 2.4.1, 2.5, 2.5.0_beta1 (+4)
Sangoma FreePBX: 2.4.0, 2.5.0

References

http://freepbx.org/trac/ticket/3660
http://secunia.com/advisories/34772
http://www.osvdb.org/54263
http://www.securityfocus.com/bid/34857
http://freepbx.org/trac/ticket/3660
http://secunia.com/advisories/34772
http://www.osvdb.org/54263
http://www.securityfocus.com/bid/34857

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