{"id":"CVE-2020-3812","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-3812","generatedAt":"2026-10-27T23:29:05.445Z","title":"qmail-verify as used in netqmail 1.06 is prone to an information disclosure vulnerability.","description":"qmail-verify as used in netqmail 1.06 is prone to an information disclosure vulnerability. A local attacker can test for the existence of files and directories anywhere in the filesystem because qmail-verify runs as root and tests for the existence of files in the attacker's home directory, without dropping its privileges first.","published":"2020-05-26T13:15:11.000Z","lastModified":"2026-06-17T03:19:06.000Z","status":"Modified","sourceIdentifier":"security@debian.org","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-269"],"affected":["netqmail/netqmail","debian/debian linux","canonical/ubuntu linux"],"epss":{"score":0.00425,"percentile":0.36504,"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 (0.43%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://bugs.debian.org/961060","tags":["Issue Tracking","Third Party Advisory"],"source":"security@debian.org"},{"url":"https://lists.debian.org/debian-lts-announce/2020/06/msg00002.html","tags":["Mailing List","Third Party Advisory"],"source":"security@debian.org"},{"url":"https://usn.ubuntu.com/4556-1/","tags":["Third Party Advisory"],"source":"security@debian.org"},{"url":"https://www.debian.org/security/2020/dsa-4692","tags":["Third Party Advisory"],"source":"security@debian.org"},{"url":"https://www.openwall.com/lists/oss-security/2020/05/19/8","tags":["Exploit","Mailing List","Patch","Third Party Advisory"],"source":"security@debian.org"},{"url":"https://bugs.debian.org/961060","tags":["Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2020/06/msg00002.html","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/4556-1/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2020/dsa-4692","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.openwall.com/lists/oss-security/2020/05/19/8","tags":["Exploit","Mailing List","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-3812","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."}