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CVE-2004-2646

MediumPublished

The addUser function in UserManager.java in Free Web Chat 2.0 allows remote attackers to cause a denial of service (uncaught NullPointerException) via...

Published: Dec 4, 2005
Updated: Aug 8, 2024
Assigning CNA: mitre
Evidence observed: Aug 4, 2004

Primary CVSS

5.0/ 10Medium

nvd · CVSS 2.0

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

EPSS probability estimate

3.6%

Low · next 30 days

Percentile: 89.0%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

The addUser function in UserManager.java in Free Web Chat 2.0 allows remote attackers to cause a denial of service (uncaught NullPointerException) via unknown attack vectors that cause the usrName variable to be null.

Sources

Free Web Chat Initial Release - UserManager.java Null Pointer Denial of ServiceExploit
Donato Ferrante · multiple · Aug 4, 2004

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