{"id":"CVE-2009-2700","url":"https://www.cyber-defence.io/tools/cve/CVE-2009-2700","generatedAt":"2026-10-27T20:53:27.110Z","title":"src/network/ssl/qsslcertificate.cpp in Nokia Trolltech Qt 4.x does not properly handle a '\\0' character in a domain name in the Subject Alternative Name field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL…","description":"src/network/ssl/qsslcertificate.cpp in Nokia Trolltech Qt 4.x does not properly handle a '\\0' character in a domain name in the Subject Alternative Name field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.","published":"2009-09-02T17:30:01.000Z","lastModified":"2026-06-16T23:10:04.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":4.3,"severity":"MEDIUM","vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N"},"cwe":["CWE-20"],"affected":["qt/qt"],"epss":{"score":0.00941,"percentile":0.60723,"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 (0.94%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://qt.gitorious.org/qt/qt/commit/802d8c02eaa0aa9cd8d0c6cbd18cd814e6337bc6","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/36536","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/36702","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2009:225","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/36203","source":"cve@mitre.org"},{"url":"http://www.ubuntu.com/usn/usn-829-1","source":"cve@mitre.org"},{"url":"http://www.vupen.com/english/advisories/2009/2499","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://qt.gitorious.org/qt/qt/commit/802d8c02eaa0aa9cd8d0c6cbd18cd814e6337bc6","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/36536","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/36702","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2009:225","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/36203","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/usn-829-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2009/2499","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2009-2700","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."}