What’s Vulnerable › Vulnerabilities

CVE-2004-2646

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2004-12-31 · updated 2026-06-16

Description

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.

References

• http://archives.neohapsis.com/archives/fulldisclosure/2004-08/0102.html
• http://marc.info/?l=bugtraq&m=109164397601049&w=2
• http://securitytracker.com/alerts/2004/Aug/1010851.html
• http://www.osvdb.org/8369
• http://www.securityfocus.com/bid/10863
• https://exchange.xforce.ibmcloud.com/vulnerabilities/16893
• http://archives.neohapsis.com/archives/fulldisclosure/2004-08/0102.html
• http://marc.info/?l=bugtraq&m=109164397601049&w=2
• http://securitytracker.com/alerts/2004/Aug/1010851.html
• http://www.osvdb.org/8369
• http://www.securityfocus.com/bid/10863
• https://exchange.xforce.ibmcloud.com/vulnerabilities/16893

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