{"id":"CVE-2020-3812","aliases":["DLA-2234-1","DSA-4692-1","EUVD-2020-25077","GHSA-w98m-2722-xcvc","UBUNTU-CVE-2020-3812","USN-4556-1","USN-4621-1"],"status":"published","title":"qmail-verify as used in netqmail 1.06 is prone to an information disclosure vulnerability. A...","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.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00425,"percentile":0.37043,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200","CWE-269"],"published":"2020-05-24T00:00:00Z","modified":"2026-06-17T03:19:05Z","fixes":[{"ecosystem":"Ubuntu:Pro:14.04:LTS","package":"netqmail","fixed_in":["1.06-6.2~deb10u1build0.14.04.1+esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"netqmail","fixed_in":["1.06-6.2~deb10u1build0.16.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"netqmail","fixed_in":["1.06-6.2~deb10u1build0.18.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:20.04:LTS","package":"netqmail","fixed_in":["1.06-6.2~deb10u1build0.20.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:8","package":"netqmail","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.06-6.2~deb8u1"}]}],"versions":["1.06-5","1.06-6","1.06-6.1"],"bundled":5},{"source":"osv","ecosystem":"Debian:9","package":"netqmail","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.06-6.2~deb9u1"}]}],"versions":["1.06-6","1.06-6.1","1.06-6.2~deb8u1"],"bundled":5},{"source":"osv","ecosystem":"Debian:10","package":"netqmail","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.06-6.2~deb10u1"}]}],"versions":["1.06-6","1.06-6.1","1.06-6.2~deb8u1","1.06-6.2~deb9u1"],"bundled":5},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"netqmail","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.06-6.2~deb10u1build0.14.04.1+esm1"}]}],"versions":["1.06-5"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"netqmail","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.06-6.2~deb10u1build0.16.04.1"}]}],"versions":["1.06-5"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"netqmail","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.06-6.2~deb10u1build0.18.04.1"}]}],"versions":["1.06-6"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"netqmail","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.06-6.2~deb10u1build0.20.04.1"}]}],"versions":["1.06-6.1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"netqmail","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.06-6.2~deb10u1build0.20.04.1"}]}],"versions":["1.06-6.1"],"bundled":5},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"netqmail","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.06-6.2~deb10u1build0.16.04.1"}]}],"versions":["1.06-5"],"bundled":5},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"netqmail","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.06-6.2~deb10u1build0.18.04.1"}]}],"versions":["1.06-6"],"bundled":5}],"products":[{"vendor":"canonical","product":"ubuntu_linux"},{"vendor":"debian","product":"debian_linux"},{"vendor":"debian","product":"netqmail"},{"vendor":"netqmail","product":"netqmail"}],"references":[{"url":"https://www.openwall.com/lists/oss-security/2020/05/19/8","tags":["x_refsource_MISC","x_transferred","Exploit","Mailing List","Patch","Third Party Advisory"]},{"url":"https://bugs.debian.org/961060","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory"]},{"url":"https://www.debian.org/security/2020/dsa-4692","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2020/06/msg00002.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory"]},{"url":"https://usn.ubuntu.com/4556-1/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-3812"},{"url":"https://github.com/advisories/GHSA-w98m-2722-xcvc"},{"url":"https://ubuntu.com/security/CVE-2020-3812","tags":["report"]},{"url":"https://www.openwall.com/lists/oss-security/2020/05/198","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-4556-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-4621-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-3812","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2005-1513","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2005-1514","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2005-1515","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-3811","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-3812","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.","status":"published","published":"2020-05-26T13:04:14.769Z","modified":"2024-09-16T16:39:08.837Z","updated_at":"2026-11-02T14:35:51.923913Z"}],"euvd":[{"id":"EUVD-2020-25077","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.","status":"published","published":"2020-05-26T13:04:14Z","modified":"2024-09-16T16:39:08Z","updated_at":"2026-11-03T00:55:49.07001Z"}],"ghsa":[{"id":"GHSA-w98m-2722-xcvc","title":"qmail-verify as used in netqmail 1.06 is prone to an information disclosure vulnerability. A...","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.","status":"published","published":"2022-05-24T17:18:42Z","modified":"2023-01-29T05:02:37Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-200","CWE-269"],"updated_at":"2026-11-02T14:45:08.066233Z"}],"nvd":[{"id":"CVE-2020-3812","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.","status":"published","published":"2020-05-26T13:15:10.733Z","modified":"2026-06-17T03:19:05.65Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:06:04.922138Z"}],"osv":[{"id":"UBUNTU-CVE-2020-3812","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.","status":"published","published":"2020-05-26T13:15:00Z","modified":"2026-02-04T03:28:54.135802Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:25.179924Z"},{"id":"DLA-2234-1","title":"netqmail - security update","status":"published","published":"2020-06-04T00:00:00Z","modified":"2026-03-09T01:20:41.652396Z","updated_at":"2026-11-02T15:46:10.227108Z"},{"id":"DSA-4692-1","title":"netqmail - security update","status":"published","published":"2020-05-24T00:00:00Z","modified":"2026-03-09T02:10:30.507123Z","updated_at":"2026-11-02T15:46:17.19998Z"},{"id":"USN-4556-1","title":"netqmail vulnerabilities","description":"It was discovered that netqmail did not properly handle certain input. Both\nremote and local attackers could use this vulnerability to cause netqmail\nto crash or execute arbitrary code. (CVE-2005-1513, CVE-2005-1514,\nCVE-2005-1515)\n\nIt was discovered that netqmail did not properly handle certain input when\nvalidating email addresses. An attacker could use this to bypass email\naddress validation. (CVE-2020-3811)\n\nIt was discovered that netqmail did not properly handle certain input when\nvalidating email addresses. An attacker could use this vulnerability to\ncause netqmail to disclose sensitive information. (CVE-2020-3812)\n","status":"published","published":"2020-09-29T15:16:58Z","modified":"2026-02-10T04:41:56Z","updated_at":"2026-11-02T16:58:15.159055Z"},{"id":"USN-4621-1","title":"netqmail vulnerabilities","description":"It was discovered that netqmail did not properly handle certain input. Both\nremote and local attackers could use this vulnerability to cause netqmail\nto crash or execute arbitrary code. (CVE-2005-1513, CVE-2005-1514,\nCVE-2005-1515)\n\nIt was discovered that netqmail did not properly handle certain input when\nvalidating email addresses. An attacker could use this to bypass email\naddress validation. (CVE-2020-3811)\n\nIt was discovered that netqmail did not properly handle certain input when\nvalidating email addresses. An attacker could use this vulnerability to\ncause netqmail to disclose sensitive information. (CVE-2020-3812)\n","status":"published","published":"2020-11-05T19:53:06Z","modified":"2026-02-10T04:41:58Z","updated_at":"2026-11-02T16:58:15.159055Z"}]}}