{"id":"CVE-2009-4831","url":"https://www.cyber-defence.io/tools/cve/CVE-2009-4831","generatedAt":"2026-10-27T20:41:51.478Z","title":"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.","description":"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.","published":"2010-04-29T19:30:00.000Z","lastModified":"2026-06-16T23:14:26.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":5.8,"severity":"MEDIUM","vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N"},"cwe":["CWE-295"],"affected":["cerulean studios/trillian"],"epss":{"score":0.01374,"percentile":0.71819,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (1.37%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://secunia.com/advisories/35620","tags":["Broken Link"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/504573/100/0/threaded","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/35509","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/51400","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/35620","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/504573/100/0/threaded","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/35509","tags":["Broken Link","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/51400","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2009-4831","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}