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CVE-2008-5402

27
FAUCET Score

CVE-2008-5402 describes a critical double free vulnerability in the XML parser of Trillian versions prior to 3.1.12.0, affecting both the standard and Pro editions. This flaw allows remote attackers to execute arbitrary code by sending a specially crafted XML expression, specifically related to the "IMG SRC ID" attribute. With a CVSS score of 10.0, this vulnerability is highly severe, requiring no authentication and having a low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
0.50CPE matchmatch criteria
cpe:2.3:a:cerulean_studios:trillian:0.50:*:*:*:*:*:*:*
0.52CPE matchmatch criteria
cpe:2.3:a:cerulean_studios:trillian:0.52:*:*:*:*:*:*:*
0.60CPE matchmatch criteria
cpe:2.3:a:cerulean_studios:trillian:0.60:*:*:*:*:*:*:*
0.61CPE matchmatch criteria
cpe:2.3:a:cerulean_studios:trillian:0.61:*:*:*:*:*:*:*
0.62CPE matchmatch criteria
cpe:2.3:a:cerulean_studios:trillian:0.62:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

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

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

Exploit Intelligence

EPSS Score
7.05%
Probability of exploitation in next 30 days
EPSS Percentile
93.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0705 is in the 89th percentile among its peer group of 51,466 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

blog.ceruleanstudios.com
osvdb.org / 50473
secunia.com / advisories/33001
securityreason.com / securityalert/4701
exchange.xforce.ibmcloud.com / vulnerabilities/47098
securityfocus.com / archive/1/498933/100/0/threaded
securityfocus.com / bid/32645
securitytracker.com / id
vupen.com / english/advisories/2008/3348
zerodayinitiative.com / advisories/ZDI-08-078