{"id":"CVE-2011-3374","url":"https://www.cyber-defence.io/tools/cve/CVE-2011-3374","generatedAt":"2026-10-27T22:04:10.844Z","title":"It was found that apt-key in apt, all versions, do not correctly validate gpg keys with the master keyring, leading to a potential man-in-the-middle attack.","description":"It was found that apt-key in apt, all versions, do not correctly validate gpg keys with the master keyring, leading to a potential man-in-the-middle attack.","published":"2019-11-26T00:15:11.000Z","lastModified":"2026-06-16T23:33:11.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"3.1","score":3.7,"severity":"LOW","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N"},"cwe":["CWE-347"],"affected":["debian/advanced package tool","debian/debian linux"],"epss":{"score":0.01191,"percentile":0.6776,"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 (1.19%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://access.redhat.com/security/cve/cve-2011-3374","tags":["Broken Link"],"source":"secalert@redhat.com"},{"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=642480","tags":["Issue Tracking","Mailing List","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://people.canonical.com/~ubuntu-security/cve/2011/CVE-2011-3374.html","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://seclists.org/fulldisclosure/2011/Sep/221","tags":["Exploit","Mailing List","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://security-tracker.debian.org/tracker/CVE-2011-3374","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://snyk.io/vuln/SNYK-LINUX-APT-116518","tags":["Broken Link"],"source":"secalert@redhat.com"},{"url":"https://ubuntu.com/security/CVE-2011-3374","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/cve-2011-3374","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=642480","tags":["Issue Tracking","Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://people.canonical.com/~ubuntu-security/cve/2011/CVE-2011-3374.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://seclists.org/fulldisclosure/2011/Sep/221","tags":["Exploit","Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security-tracker.debian.org/tracker/CVE-2011-3374","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://snyk.io/vuln/SNYK-LINUX-APT-116518","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://ubuntu.com/security/CVE-2011-3374","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-3374","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."}