{"id":"CVE-2020-14878","aliases":["EUVD-2020-7014","GHSA-747m-4qjr-r67x","UBUNTU-CVE-2020-14878","USN-4604-1"],"status":"published","title":"Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: LDAP Auth...","description":"Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: LDAP Auth). Supported versions that are affected are 8.0.21 and prior. Easily exploitable vulnerability allows low privileged attacker with access to the physical communication segment attached to the hardware where the MySQL Server executes to compromise MySQL Server. Successful attacks of this vulnerability can result in takeover of MySQL Server. CVSS 3.1 Base Score 8.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).","severity":{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01199,"percentile":0.68404,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2020-10-21T14:04:30Z","modified":"2026-10-24T10:30:23Z","fixes":[{"ecosystem":"Ubuntu:20.04:LTS","package":"mysql-8.0","fixed_in":["8.0.22-0ubuntu0.20.04.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"mysql-5.5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.5.32-0ubuntu7","5.5.34-0ubuntu1","5.5.34-0ubuntu2","5.5.35-0ubuntu1","5.5.35+dfsg-1ubuntu1","5.5.37-0ubuntu0.14.04.1","5.5.38-0ubuntu0.14.04.1","5.5.40-0ubuntu0.14.04.1","5.5.41-0ubuntu0.14.04.1","5.5.43-0ubuntu0.14.04.1","5.5.44-0ubuntu0.14.04.1","5.5.46-0ubuntu0.14.04.2","5.5.47-0ubuntu0.14.04.1","5.5.49-0ubuntu0.14.04.1","5.5.50-0ubuntu0.14.04.1","5.5.52-0ubuntu0.14.04.1","5.5.53-0ubuntu0.14.04.1","5.5.54-0ubuntu0.14.04.1","5.5.55-0ubuntu0.14.04.1","5.5.57-0ubuntu0.14.04.1","5.5.58-0ubuntu0.14.04.1","5.5.59-0ubuntu0.14.04.1","5.5.60-0ubuntu0.14.04.1","5.5.61-0ubuntu0.14.04.1","5.5.62-0ubuntu0.14.04.1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"percona-server-5.6","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.6.22-rel71.0-0ubuntu2","5.6.22-rel71.0-0ubuntu4","5.6.22-rel71.0-0ubuntu4.1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"percona-xtradb-cluster-5.6","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.6.21-25.8-0ubuntu2","5.6.21-25.8-0ubuntu3","5.6.21-25.8-0ubuntu3.1","5.6.21-25.8-0ubuntu3.2","5.6.34-26.19-0ubuntu0.16.04.1","5.6.34-26.19-0ubuntu0.16.04.2","5.6.37-26.21-0ubuntu0.16.04.1","5.6.37-26.21-0ubuntu0.16.04.2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"mysql-8.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.22-0ubuntu0.20.04.2"}]}],"versions":["8.0.17-0ubuntu2","8.0.17-0ubuntu3","8.0.18-0ubuntu3","8.0.18-0ubuntu4","8.0.18-0ubuntu5","8.0.19-0ubuntu2","8.0.19-0ubuntu3","8.0.19-0ubuntu4","8.0.19-0ubuntu5","8.0.20-0ubuntu0.20.04.1","8.0.21-0ubuntu0.20.04.3","8.0.21-0ubuntu0.20.04.4"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"mysql-5.7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.7.32-0ubuntu0.16.04.1"}]}],"versions":["5.7.11-0ubuntu4","5.7.11-0ubuntu5","5.7.11-0ubuntu6","5.7.12-0ubuntu1","5.7.12-0ubuntu1.1","5.7.13-0ubuntu0.16.04.2","5.7.15-0ubuntu0.16.04.1","5.7.16-0ubuntu0.16.04.1","5.7.17-0ubuntu0.16.04.1","5.7.17-0ubuntu0.16.04.2","5.7.18-0ubuntu0.16.04.1","5.7.19-0ubuntu0.16.04.1","5.7.20-0ubuntu0.16.04.1","5.7.21-0ubuntu0.16.04.1","5.7.22-0ubuntu0.16.04.1","5.7.23-0ubuntu0.16.04.1","5.7.24-0ubuntu0.16.04.1","5.7.25-0ubuntu0.16.04.2","5.7.26-0ubuntu0.16.04.1","5.7.27-0ubuntu0.16.04.1","5.7.28-0ubuntu0.16.04.2","5.7.29-0ubuntu0.16.04.1","5.7.30-0ubuntu0.16.04.1","5.7.31-0ubuntu0.16.04.1"],"bundled":48},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"mysql-5.7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.7.32-0ubuntu0.18.04.1"}]}],"versions":["5.7.19-0ubuntu1","5.7.20-0ubuntu0.17.10.1","5.7.20-1ubuntu1","5.7.21-1ubuntu1","5.7.22-0ubuntu18.04.1","5.7.23-0ubuntu0.18.04.1","5.7.24-0ubuntu0.18.04.1","5.7.25-0ubuntu0.18.04.2","5.7.26-0ubuntu0.18.04.1","5.7.27-0ubuntu0.18.04.1","5.7.28-0ubuntu0.18.04.4","5.7.29-0ubuntu0.18.04.1","5.7.30-0ubuntu0.18.04.1","5.7.31-0ubuntu0.18.04.1"],"bundled":48},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"mysql-8.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.22-0ubuntu0.20.04.2"}]}],"versions":["8.0.17-0ubuntu2","8.0.17-0ubuntu3","8.0.18-0ubuntu3","8.0.18-0ubuntu4","8.0.18-0ubuntu5","8.0.19-0ubuntu2","8.0.19-0ubuntu3","8.0.19-0ubuntu4","8.0.19-0ubuntu5","8.0.20-0ubuntu0.20.04.1","8.0.21-0ubuntu0.20.04.3","8.0.21-0ubuntu0.20.04.4"],"bundled":48}],"products":[{"vendor":"oracle","product":"mysql"},{"vendor":"oracle corporation","product":"mysql server"}],"references":[{"url":"https://www.oracle.com/security-alerts/cpuoct2020.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://security.netapp.com/advisory/ntap-20201023-0003/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://security.gentoo.org/glsa/202105-27","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-14878"},{"url":"https://github.com/advisories/GHSA-747m-4qjr-r67x"},{"url":"https://ubuntu.com/security/CVE-2020-14878","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-4604-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-14878","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14672","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14760","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14765","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14769","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14771","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14773","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14775","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14776","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14777","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14785","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14786","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14789","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14790","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14791","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14793","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14794","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14800","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14804","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14809","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14812","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14814","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14821","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14827","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14828","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14829","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14830","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14836","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14837","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14838","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14839","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14844","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14845","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14846","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14848","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14852","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14853","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14860","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14861","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14866","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14867","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14868","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14869","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14870","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14873","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14888","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14891","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2020-14893","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-14878","description":"Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: LDAP Auth). Supported versions that are affected are 8.0.21 and prior. Easily exploitable vulnerability allows low privileged attacker with access to the physical communication segment attached to the hardware where the MySQL Server executes to compromise MySQL Server. Successful attacks of this vulnerability can result in takeover of MySQL Server. CVSS 3.1 Base Score 8.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).","status":"published","published":"2020-10-21T14:04:30Z","modified":"2024-09-26T20:06:24.568Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:46.873079Z"}],"euvd":[{"id":"EUVD-2020-7014","description":"Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: LDAP Auth). Supported versions that are affected are 8.0.21 and prior. Easily exploitable vulnerability allows low privileged attacker with access to the physical communication segment attached to the hardware where the MySQL Server executes to compromise MySQL Server. Successful attacks of this vulnerability can result in takeover of MySQL Server. CVSS 3.1 Base Score 8.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).","status":"published","published":"2020-10-21T14:04:30Z","modified":"2024-09-26T20:06:24Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:28:07.162931Z"}],"ghsa":[{"id":"GHSA-747m-4qjr-r67x","title":"Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: LDAP Auth...","description":"Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: LDAP Auth). Supported versions that are affected are 8.0.21 and prior. Easily exploitable vulnerability allows low privileged attacker with access to the physical communication segment attached to the hardware where the MySQL Server executes to compromise MySQL Server. Successful attacks of this vulnerability can result in takeover of MySQL Server. CVSS 3.1 Base Score 8.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).","status":"published","published":"2022-05-24T17:31:38Z","modified":"2023-01-29T05:04:24Z","updated_at":"2026-11-02T14:45:32.675365Z"}],"nvd":[{"id":"CVE-2020-14878","description":"Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: LDAP Auth). Supported versions that are affected are 8.0.21 and prior. Easily exploitable vulnerability allows low privileged attacker with access to the physical communication segment attached to the hardware where the MySQL Server executes to compromise MySQL Server. Successful attacks of this vulnerability can result in takeover of MySQL Server. CVSS 3.1 Base Score 8.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).","status":"published","published":"2020-10-21T15:15:25.063Z","modified":"2026-06-17T02:55:44Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":7.7,"vector":"AV:A/AC:L/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:06:20.704992Z"}],"osv":[{"id":"CVE-2020-14878","description":"Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: LDAP Auth). Supported versions that are affected are 8.0.21 and prior. Easily exploitable vulnerability allows low privileged attacker with access to the physical communication segment attached to the hardware where the MySQL Server executes to compromise MySQL Server. Successful attacks of this vulnerability can result in takeover of MySQL Server. CVSS 3.1 Base Score 8.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).","status":"published","published":"2020-10-21T15:15:25.063Z","modified":"2026-10-24T10:30:23.386617616Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:14.418339Z"},{"id":"UBUNTU-CVE-2020-14878","description":"Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: LDAP Auth). Supported versions that are affected are 8.0.21 and prior. Easily exploitable vulnerability allows low privileged attacker with access to the physical communication segment attached to the hardware where the MySQL Server executes to compromise MySQL Server. Successful attacks of this vulnerability can result in takeover of MySQL Server. CVSS 3.1 Base Score 8.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).","status":"published","published":"2020-10-21T15:15:00Z","modified":"2026-04-22T12:18:49.623101Z","cvss":[{"version":"3.1","score":8,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:23.344108Z"},{"id":"USN-4604-1","title":"mysql-5.7, mysql-8.0 vulnerabilities","description":"Multiple security issues were discovered in MySQL and this update includes\nnew upstream MySQL versions to fix these issues.\n\nMySQL has been updated to 8.0.22 in Ubuntu 20.04 LTS and Ubuntu 20.10.\nUbuntu 16.04 LTS and Ubuntu 18.04 LTS have been updated to MySQL 5.7.32.\n\nIn addition to security fixes, the updated packages contain bug fixes, new\nfeatures, and possibly incompatible changes.\n\nPlease see the following for more information:\n\nhttps://dev.mysql.com/doc/relnotes/mysql/5.7/en/news-5-7-32.html\n\nhttps://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-22.html\n\nhttps://www.oracle.com/security-alerts/cpuoct2020.html\n","status":"published","published":"2020-10-27T10:46:47Z","modified":"2026-04-27T18:45:08.312948Z","updated_at":"2026-11-02T16:58:15.159055Z"}]}}