CVE-2002-1849
ParaChat Server 4.0 does not log users off if the browser's back button is used, which allows...
ParaChat Server 4.0 does not log users off if the browser's back button is used, which allows remote attackers to cause a denial of service by repeatedly logging into a chat room, hitting the back button, then logging into the same chat room as a different user, which fills the chat room with invalid users.
Exploit likelihood
What each source reports
NVD Score used
5.0
ParaChat Server 4.0 does not log users off if the browser's back button is used, which allows remote attackers to cause a denial of service by repeatedly logging into a chat room, hitting the back button, then logging into the same chat room as a different user, which fills the chat room with invalid users.
- Record
CVE-2002-1849- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
ParaChat Server 4.0 does not log users off if the browser's back button is used, which allows remote attackers to cause a denial of service by repeatedly logging into a chat room, hitting the back button, then logging into the same chat room as a different user, which fills the chat room with invalid users.
- Record
CVE-2002-1849- Updated
- 2026-11-02
EUVDEUVD-2002-1828 No score
ParaChat Server 4.0 does not log users off if the browser's back button is used, which allows remote attackers to cause a denial of service by repeatedly logging into a chat room, hitting the back button, then logging into the same chat room as a different user, which fills the chat room with invalid users.
- Record
EUVD-2002-1828- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jq4q-qcfh-gq3c No score
ParaChat Server 4.0 does not log users off if the browser's back button is used, which allows...
ParaChat Server 4.0 does not log users off if the browser's back button is used, which allows remote attackers to cause a denial of service by repeatedly logging into a chat room, hitting the back button, then logging into the same chat room as a different user, which fills the chat room with invalid users.
- Record
GHSA-jq4q-qcfh-gq3c- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2002-1849 is a medium vulnerability (CVSS 5.0) in Parachat Server, published December 31, 2002. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.54%, the 85th percentile. No source names a fixed version.