{"id":"CVE-2021-2014","aliases":["EUVD-2021-16473","GHSA-86q4-677r-wjxv","OESA-2022-1552","UBUNTU-CVE-2021-2014","USN-4716-1"],"status":"published","title":"Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: PAM Auth Plugin)....","description":"Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: PAM Auth Plugin). Supported versions that are affected are 5.7.32 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).","severity":{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.02124,"percentile":0.82026,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-01-20T14:50:01Z","modified":"2026-10-24T10:30:58Z","fixes":[{"ecosystem":"Ubuntu:16.04:LTS","package":"mysql-5.7","fixed_in":["5.7.33-0ubuntu0.16.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"mysql-5.7","fixed_in":["5.7.33-0ubuntu0.18.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"openEuler:20.03-LTS-SP1","package":"mysql5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.7.34-2.oe1"}]}],"bundled":12},{"source":"osv","ecosystem":"openEuler:20.03-LTS-SP2","package":"mysql5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.7.34-2.oe1"}]}],"bundled":12},{"source":"osv","ecosystem":"openEuler:20.03-LTS-SP3","package":"mysql5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.7.34-2.oe1"}]}],"bundled":12},{"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":"mysql-5.7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.7.33-0ubuntu0.16.04.1"}]}],"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","5.7.32-0ubuntu0.16.04.1"]},{"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:18.04:LTS","package":"mysql-5.7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.7.33-0ubuntu0.18.04.1"}]}],"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","5.7.32-0ubuntu0.18.04.1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"mysql-5.7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.7.33-0ubuntu0.16.04.1"}]}],"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","5.7.32-0ubuntu0.16.04.1"],"bundled":25},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"mysql-5.7","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.7.33-0ubuntu0.18.04.1"}]}],"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","5.7.32-0ubuntu0.18.04.1"],"bundled":25},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"mysql-8.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.23-0ubuntu0.20.04.1"}]}],"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","8.0.22-0ubuntu0.20.04.2","8.0.22-0ubuntu0.20.04.3"],"bundled":25}],"products":[{"vendor":"netapp","product":"oncommand_insight"},{"vendor":"netapp","product":"oncommand_workflow_automation"},{"vendor":"netapp","product":"snapcenter"},{"vendor":"oracle","product":"mysql"},{"vendor":"oracle corporation","product":"mysql server"}],"references":[{"url":"https://www.oracle.com/security-alerts/cpujan2021.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://security.netapp.com/advisory/ntap-20210219-0003/","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-2021-2014","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-86q4-677r-wjxv"},{"url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1552","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-14760","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-2910","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-2924","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-2741","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-2922","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-2791","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-2731","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-2790","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-2922","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-2566","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-2806","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-2014","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-4716-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-2014","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-2002","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-2010","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-2011","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-2021","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-2022","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-2024","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-2031","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-2032","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-2036","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-2038","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-2046","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-2048","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-2056","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-2058","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-2060","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-2061","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-2065","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-2070","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-2072","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-2076","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-2081","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-2087","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-2088","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-2122","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-2014","description":"Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: PAM Auth Plugin). Supported versions that are affected are 5.7.32 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).","status":"published","published":"2021-01-20T14:50:01Z","modified":"2024-09-26T18:42:20.015Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:03.320536Z"}],"euvd":[{"id":"EUVD-2021-16473","description":"Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: PAM Auth Plugin). Supported versions that are affected are 5.7.32 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).","status":"published","published":"2021-01-20T14:50:01Z","modified":"2024-09-26T18:42:20Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T00:28:07.565611Z"}],"ghsa":[{"id":"GHSA-86q4-677r-wjxv","title":"Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: PAM Auth Plugin)....","description":"Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: PAM Auth Plugin). Supported versions that are affected are 5.7.32 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).","status":"published","published":"2022-05-24T17:39:45Z","modified":"2023-01-29T05:05:27Z","updated_at":"2026-11-02T14:45:47.837276Z"}],"nvd":[{"id":"CVE-2021-2014","description":"Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: PAM Auth Plugin). Supported versions that are affected are 5.7.32 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).","status":"published","published":"2021-01-20T15:15:46.127Z","modified":"2026-06-17T03:48:37.04Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:49.284888Z"}],"osv":[{"id":"CVE-2021-2014","description":"Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: PAM Auth Plugin). Supported versions that are affected are 5.7.32 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).","status":"published","published":"2021-01-20T15:15:46.127Z","modified":"2026-10-24T10:30:58.824866734Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:17.663289Z"},{"id":"OESA-2022-1552","title":"mysql5 security update","description":"MySQL is a multi-user, multi-threaded SQL database server. MySQL is a client/server implementation consisting of a server daemon (mysqld) and many different client programs and libraries. The base package contains the standard MySQL client programs and generic MySQL files. \r\n\r\nSecurity Fix(es):\r\n\r\nVulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 5.7.31 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server as well as unauthorized update, insert or delete access to some of MySQL Server accessible data. CVSS 3.1 Base Score 5.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H).(CVE-2020-14760)\r\n\r\nVulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: Encryption). Supported versions that are affected are 5.6.45 and prior and 5.7.27 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized read access to a subset of MySQL Server accessible data. CVSS 3.0 Base Score 3.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).(CVE-2019-2910)\r\n\r\nVulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: Encryption). Supported versions that are affected are 5.6.45 and prior and 5.7.27 and prior. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized read access to a subset of MySQL Server accessible data. CVSS 3.0 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).(CVE-2019-2924)\r\n\r\nVulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Audit Log). Supported versions that are affected are 5.7.26 and prior and 8.0.16 and prior. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H).(CVE-2019-2741)\r\n\r\nVulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: Encryption). Supported versions that are affected are 5.6.45 and prior and 5.7.27 and prior. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized read access to a subset of MySQL Server accessible data. CVSS 3.0 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).(CVE-2019-2922)\r\n\r\nVulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Audit Plug-in). Supported versions that are affected are 5.7.26 and prior and 8.0.16 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Server accessible data as well as unauthorized read access to a subset of MySQL Server accessible data. CVSS 3.0 Base Score 3.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N).(CVE-2019-2791)\r\n\r\nVulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Replication). Supported versions that are affected are 5.7.23 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Server accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Server. CVSS 3.0 Base Score 5.4 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L).(CVE-2019-2731)\r\n\r\nVulnerability in the MySQL Server product of Oracle MySQL (component: Server: Pluggable Auth). Supported versions that are affected are 5.7.28 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).(CVE-2020-2790)\r\n\r\nVulnerability in the MySQL Client product of Oracle MySQL (component: C API). Supported versions that are affected are 5.6.47 and prior, 5.7.29 and prior and 8.0.18 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise MySQL Client. Successful attacks of this vulnerability can result in unauthorized read access to a subset of MySQL Client accessible data. CVSS 3.0 Base Score 3.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).(CVE-2020-2922)\r\n\r\nVulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Audit Plug-in). Supported versions that are affected are 5.7.25 and prior and 8.0.15 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).(CVE-2019-2566)\r\n\r\nVulnerability in the MySQL Server product of Oracle MySQL (component: Server: PAM Auth Plugin). Supported versions that are affected are 5.7.32 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).(CVE-2021-2014)\r\n\r\nVulnerability in the MySQL Server product of Oracle MySQL (component: Server: Compiling). Supported versions that are affected are 5.7.28 and prior. Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H).(CVE-2020-2806)","status":"published","published":"2022-03-07T11:04:49Z","modified":"2026-08-18T01:16:26.121428767Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:39.528805Z"},{"id":"UBUNTU-CVE-2021-2014","description":"Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: PAM Auth Plugin). Supported versions that are affected are 5.7.32 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).","status":"published","published":"2021-01-20T15:15:00Z","modified":"2026-04-22T12:40:39.114829Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:25.728622Z"},{"id":"USN-4716-1","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 8.0.23 in Ubuntu 20.04 LTS and Ubuntu 20.10.\nUbuntu 16.04 LTS and Ubuntu 18.04 LTS have been updated to MySQL 5.7.33.\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-5-7-33.html\nhttps://dev.mysql.com/doc/relnotes/mysql/8.0/en/news-8-0-23.html\nhttps://www.oracle.com/security-alerts/cpujan2021.html\n","status":"published","published":"2021-02-01T13:48:56Z","modified":"2026-04-27T15:25:06.347143Z","updated_at":"2026-11-02T16:58:15.159055Z"}]}}