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CVE-2002-2155

24
FAUCET Score

CVE-2002-2155 is a format string vulnerability in Trillian versions 0.725 and 0.73, specifically within its IRC invite response error handling. This flaw allows remote IRC servers to execute arbitrary code by sending an invite to a channel whose name contains format string specifiers. With a CVSS score of 7.5, this vulnerability is considered high severity, indicating a network-based attack with low complexity that could lead to partial confidentiality, integrity, and availability compromise. While there is no known active exploitation or publicly available exploit code in Metasploit or ExploitDB, the vulnerability has garnered significant community discussion, with 10 mentions.

Impacted Technologies

VendorProductVersion(s)CPE
0.73CPE matchmatch criteria
cpe:2.3:a:cerulean_studios:trillian:0.73:*:*:*:*:*:*:*
0.725CPE matchmatch criteria
cpe:2.3:a:cerulean_studios:trillian:0.725:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.02%
Probability of exploitation in next 30 days
EPSS Percentile
79.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0202 is in the 63rd percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

iss.net / security_center/static/9761.php
securityfocus.com / archive/1/285695
securityfocus.com / bid/5388