CVE-2002-1849

CVE-2002-1849 is a medium-severity vulnerability in Parachat Parachat Server with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

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.

Frequently asked questions

What is CVE-2002-1849?
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.
How severe is CVE-2002-1849?
CVE-2002-1849 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2002-1849 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-1849?
CVE-2002-1849 affects Parachat Parachat Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2002-1849?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2002-1849 published?
CVE-2002-1849 was published on 2002-12-31 and last updated on 2026-06-16.

References

Affected products (1)

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