peter bassill · operator
$ cve CVE-2004-2646 JSON

CVE-2004-2646 EXPLOIT

5.0
MEDIUM · CVSS 2.0 · EPSS 3.6% (pctl 89)

Patch early

A public exploit exists.

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.

Scoring

CVSS5.0 (MEDIUM, v2.0)
VectorAV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS3.62% — more likely to be exploited than 89% of all CVEs
On CISA KEVno
Public exploityes
Published2004-12-31
Last modified2026-06-16

Affected (1)

VendorProduct
reid garnerfree web chat

Public exploits

References

→ the Explorer  ·  watch your stack  ·  NVD