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CVE-2009-1803

5.0 · MEDIUM

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 remot…

Published May 28, 2009freepbxCWE-200EPSS 1.22%

Overview

CVE-2009-1803 is a medium-severity vulnerability affecting freepbx freepbx. It was published on May 28, 2009 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from freepbx. Update freepbx to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Reffreepbx.org/trac/ticket/3660Refsecunia.com/advisories/34772Refwww.osvdb.org/54263Refwww.securityfocus.com/bid/34857Reffreepbx.org/trac/ticket/3660Refsecunia.com/advisories/34772Refwww.osvdb.org/54263Refwww.securityfocus.com/bid/34857

How CyberStrike helps

Frequently asked questions

What is CVE-2009-1803?

CVE-2009-1803 is a medium-severity vulnerability affecting freepbx freepbx. It was published on May 28, 2009 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2009-1803?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-1803?

Check the references section for vendor advisories and patches from freepbx. Update freepbx to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-1803?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-1803 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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