CVE-2009-4831
Cerulean Studios Trillian 3.1 Basic does not check SSL certificates during MSN authentication,...
Cerulean Studios Trillian 3.1 Basic does not check SSL certificates during MSN authentication, which allows remote attackers to obtain MSN credentials via a man-in-the-middle attack with a spoofed SSL certificate.
Exploit likelihood
What each source reports
NVD Score used
Cerulean Studios Trillian 3.1 Basic does not check SSL certificates during MSN authentication, which allows remote attackers to obtain MSN credentials via a man-in-the-middle attack with a spoofed SSL certificate.
- Record
CVE-2009-4831- CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
CVE List No score
Cerulean Studios Trillian 3.1 Basic does not check SSL certificates during MSN authentication, which allows remote attackers to obtain MSN credentials via a man-in-the-middle attack with a spoofed SSL certificate.
- Record
CVE-2009-4831- Updated
- 2026-11-02
EUVDEUVD-2009-4794 No score
Cerulean Studios Trillian 3.1 Basic does not check SSL certificates during MSN authentication, which allows remote attackers to obtain MSN credentials via a man-in-the-middle attack with a spoofed SSL certificate.
- Record
EUVD-2009-4794- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4r5v-2f2w-h6rr No score
Cerulean Studios Trillian 3.1 Basic does not check SSL certificates during MSN authentication,...
Cerulean Studios Trillian 3.1 Basic does not check SSL certificates during MSN authentication, which allows remote attackers to obtain MSN credentials via a man-in-the-middle attack with a spoofed SSL certificate.
- Record
GHSA-4r5v-2f2w-h6rr- Weakness
- CWE-295
- 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-2009-4831 is a medium vulnerability (CVSS 5.8) in Cerulean Studios Trillian, published April 29, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.37%, the 72nd percentile. No source names a fixed version.