What is CVE-2002-2173?

CVE-2002-2173 is a vulnerability in Cerulean Studios Trillian. Published 2002-12-31.

Is CVE-2002-2173 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Cerulean Studios Trillian

CVE-2002-2173

Buffer overflow in the IRC module of Trillian 0.725 and 0.73 allowing remote attackers to execute arbitrary code via a long DCC Chat message.

Published 2002-12-31 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.031 (87.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.031 · newest: 0.031 · change: 0.000

Affected products

Cerulean Studios Trillian — versions 0.73, 0.725

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

www.securityfocus.com/bid/5389 (vdb-entry)
www.securityfocus.com/archive/1/285695 (mailing-list)
www.iss.net/security_center/static/9764.php (vdb-entry)

Frequently asked questions

What is CVE-2002-2173?: CVE-2002-2173 is a vulnerability in Cerulean Studios Trillian. Published 2002-12-31.
Is CVE-2002-2173 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.