{"schemaVersion":3,"id":"CVE-2018-2696","aliases":["UBUNTU-CVE-2018-2696"],"status":"published","duplicateOf":null,"title":null,"description":"Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server : Security : Privileges). Supported versions that are affected are 5.6.38 and prior and 5.7.20 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 ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).","dates":{"published":"2018-01-18T02:00:00.000Z","modified":"2024-10-03T20:31:40.336Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.8,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.8,"severity":"high","vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Ubuntu","score":7.5,"severity":"high","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":10,"impact":6,"computed":true}]},"epss":{"probability":0.0452,"percentile":0.9142,"severity":"low","asOf":"2026-10-18T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-18T00:00:00.000Z","baselineScore":0.0452},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.03875,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0452,"percentile":0.9142}],"last30":[{"date":"2026-09-18T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.03875,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0452,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0452,"percentile":0.9142}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"mysql-5.7","name":"mysql-5.7","label":"mysql-5.7","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/mysql-5.7","purlType":"deb","versions":[{"text":"< 5.7.21-0ubuntu0.16.04.1","noFixRecorded":false,"fixedIn":null},{"text":"< 5.7.21-1ubuntu1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.7.21-0ubuntu0.16.04.1 | < 5.7.21-1ubuntu1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"percona-server-5.6","name":"percona-server-5.6","label":"percona-server-5.6","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/percona-server-5.6","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"percona-xtradb-cluster-5.6","name":"percona-xtradb-cluster-5.6","label":"percona-xtradb-cluster-5.6","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/percona-xtradb-cluster-5.6","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"oracle corporation","product":"mysql server","name":"MySQL Server","label":"mysql server","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"5.6.38 and prior","noFixRecorded":false,"fixedIn":null},{"text":"5.7.20 and prior","noFixRecorded":false,"fixedIn":null}],"versionsText":"5.6.38 and prior | 5.7.20 and prior","eol":null,"hubHref":"/vendor/oracle_corporation/mysql_server"},{"vendor":"oracle","product":"mysql","name":"mysql","label":"mysql","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 5.6.0, ≤ 5.6.38","noFixRecorded":false,"fixedIn":null},{"text":"≥ 5.7.0, ≤ 5.7.20","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 5.6.0, ≤ 5.6.38 | ≥ 5.7.0, ≤ 5.7.20","eol":{"isEol":null,"eolDate":null,"matchMethod":"cpe","cycle":null,"product":{"name":"mysql","label":"MySQL","category":"database"}},"hubHref":"/vendor/oracle/mysql"}],"affectedCount":5,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://access.redhat.com/errata/RHSA-2018:0587","label":"access.redhat.com/errata/RHSA-2018:0587","hostname":"access.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]},{"url":"https://usn.ubuntu.com/3537-1/","label":"usn.ubuntu.com/3537-1/","hostname":"usn.ubuntu.com","tags":["Vendor Advisory","X Refsource UBUNTU"]},{"url":"https://access.redhat.com/errata/RHSA-2018:0586","label":"access.redhat.com/errata/RHSA-2018:0586","hostname":"access.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]},{"url":"http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html","label":"www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html","hostname":"www.oracle.com","tags":["X Refsource CONFIRM","Patch"]},{"url":"http://www.securityfocus.com/bid/102701","label":"www.securityfocus.com/bid/102701","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Third Party Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20180117-0002/","label":"security.netapp.com/advisory/ntap-20180117-0002/","hostname":"security.netapp.com","tags":["X Refsource CONFIRM","Third Party Advisory"]},{"url":"http://www.securitytracker.com/id/1040216","label":"www.securitytracker.com/id/1040216","hostname":"www.securitytracker.com","tags":["VDB Entry","X Refsource SECTRACK","Third Party Advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-2696","label":"ubuntu.com/security/CVE-2018-2696","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html#AppendixMSQL","label":"www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html","hostname":"www.oracle.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/notices/USN-3537-1","label":"ubuntu.com/security/notices/USN-3537-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://mariadb.com/kb/en/library/security-vulnerabilities-in-oracle-mysql-that-did-not-exist-in-mariadb/","label":"mariadb.com/kb/en/library/security-vulnerabilities-in-oracle-mysql-that-did-not-exist-in-mariadb/","hostname":"mariadb.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-2696","label":"www.cve.org/CVERecord?id=CVE-2018-2696","hostname":"www.cve.org","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":["RHSA-2018:0586","RHSA-2018:0587","USN-3537-1"],"duplicates":[],"related":["USN-3537-1"]},"timeline":[{"kind":"published","date":"2018-01-18T02:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-10-03T20:31:40.336Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":32,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T07:38:12.363Z","stale":false,"partial":false}}