CVE-2009-4831 json
Cerulean Studios Trillian 3.1 Basic does not check SSL certificates during MSN authentication, which allows remote attackers to obtain MSN…
published 16y ago modified 4mo ago also EUVD-2009-4794
- cvss
- 5.8
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
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.
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1.37% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
Classification
- Weakness
-
- CWE-295 Improper Certificate Validation
References
-
secunia.com
/advisories/35620
third-party-advisory, broken-link
-
securityfocus.com
/archive/1/504573/100/0/threaded
mailing-list, broken-link, third-party-advisory, vdb-entry
-
exchange.xforce.ibmcloud.com
/vulnerabilities/51400
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/35509
vdb-entry, broken-link, third-party-advisory
Sources
- CVE List CVE-2009-4831
- NVD CVE-2009-4831
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.