{"schemaVersion":3,"id":"CVE-2018-3123","aliases":["UBUNTU-CVE-2018-3123","CGA-2g7c-q5c8-ff7q","CGA-5g45-j378-rwcc","CGA-7w9q-p6ch-8xvx","CGA-g3q7-3jr2-3pjp","CGA-hc9r-2856-hgr9","CGA-j6w8-963w-w7jg","CGA-m32x-q6q5-6pw3","CGA-mjcx-wpm5-v8vj","CGA-p45q-f6c6-p7rp","CGA-rhg3-hf8r-9937","CGA-vh8j-3gm8-7589","CGA-x5pj-fphw-wfmv"],"status":"published","duplicateOf":null,"title":null,"description":"Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: libmysqld). Supported versions that are affected are 5.6.42 and prior, 5.7.24 and prior and 8.0.13 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 access to critical data or complete access to all MySQL Server accessible data. CVSS 3.0 Base Score 5.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N).","dates":{"published":"2019-04-23T18:16:38.000Z","modified":"2024-10-02T15:50:34.416Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.9,"severity":"medium","version":"3.0","versionLabel":"v3.0","source":"NVD","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":5.9,"severity":"medium","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.3,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Ubuntu","score":5.9,"severity":"medium","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","exploitability":5.6,"impact":6,"computed":true},{"version":"3.0","versionLabel":"v3.0","source":"OSV · Chainguard","score":5.9,"severity":"medium","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","exploitability":5.6,"impact":6,"computed":true}]},"epss":{"probability":0.02062,"percentile":0.81191,"severity":"low","asOf":"2026-10-22T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-22T00:00:00.000Z","baselineScore":0.02062},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.019,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-22T00:00:00.000Z","score":0.02062,"percentile":0.81191}],"last30":[{"date":"2026-09-22T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.02062,"percentile":null},{"date":"2026-10-22T00:00:00.000Z","score":0.02062,"percentile":0.81191}]},"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":"chainguard","product":"mysql-8.0","name":"mysql-8.0","label":"mysql-8.0","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/mysql-8.0","purlType":"apk","versions":[{"text":"< 8.0.38-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 8.0.38-r0","eol":null,"hubHref":null},{"vendor":"chainguard","product":"mysql-8.0-client","name":"mysql-8.0-client","label":"mysql-8.0-client","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/mysql-8.0-client","purlType":"apk","versions":[{"text":"< 8.0.38-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 8.0.38-r0","eol":null,"hubHref":null},{"vendor":"chainguard","product":"mysql-8.0-dev","name":"mysql-8.0-dev","label":"mysql-8.0-dev","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/mysql-8.0-dev","purlType":"apk","versions":[{"text":"< 8.0.38-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 8.0.38-r0","eol":null,"hubHref":null},{"vendor":"chainguard","product":"mysql-8.0-iamguarded-compat","name":"mysql-8.0-iamguarded-compat","label":"mysql-8.0-iamguarded-compat","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/mysql-8.0-iamguarded-compat","purlType":"apk","versions":[{"text":"< 8.0.38-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 8.0.38-r0","eol":null,"hubHref":null},{"vendor":"chainguard","product":"mysql-8.0-oci-entrypoint","name":"mysql-8.0-oci-entrypoint","label":"mysql-8.0-oci-entrypoint","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/mysql-8.0-oci-entrypoint","purlType":"apk","versions":[{"text":"< 8.0.38-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 8.0.38-r0","eol":null,"hubHref":null},{"vendor":"chainguard","product":"mysql-8.0-oci-entrypoint-compat","name":"mysql-8.0-oci-entrypoint-compat","label":"mysql-8.0-oci-entrypoint-compat","ecosystem":"Chainguard","cpePart":null,"purl":"pkg:apk/chainguard/mysql-8.0-oci-entrypoint-compat","purlType":"apk","versions":[{"text":"< 8.0.38-r0","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 8.0.38-r0","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"mysql-5.5","name":"mysql-5.5","label":"mysql-5.5","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/mysql-5.5","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"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":"< 5.7.25-0ubuntu0.16.04.2","noFixRecorded":false,"fixedIn":null},{"text":"< 5.7.25-0ubuntu0.18.04.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.7.25-0ubuntu0.16.04.2 | < 5.7.25-0ubuntu0.18.04.2","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":"5.6.42 and prior","noFixRecorded":false,"fixedIn":null},{"text":"5.7.24 and prior","noFixRecorded":false,"fixedIn":null},{"text":"8.0.13 and prior","noFixRecorded":false,"fixedIn":null}],"versionsText":"5.6.42 and prior | 5.7.24 and prior | 8.0.13 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, ≤ 5.6.42","noFixRecorded":false,"fixedIn":null},{"text":"≥ 5.7.0, ≤ 5.7.24","noFixRecorded":false,"fixedIn":null},{"text":"≥ 8.0.0, ≤ 8.0.13","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 5.6.0, ≤ 5.6.42 | ≥ 5.7.0, ≤ 5.7.24 | ≥ 8.0.0, ≤ 8.0.13","eol":{"isEol":null,"eolDate":null,"matchMethod":"cpe","cycle":null,"product":{"name":"mysql","label":"MySQL","category":"database"}},"hubHref":"/vendor/oracle/mysql"}],"affectedCount":12,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html","label":"www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html","hostname":"www.oracle.com","tags":["X Refsource MISC","Patch","Vendor Advisory","FIX"]},{"url":"https://support.f5.com/csp/article/K58502649","label":"support.f5.com/csp/article/K58502649","hostname":"support.f5.com","tags":["X Refsource CONFIRM","Third Party Advisory","Advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-3123","label":"ubuntu.com/security/CVE-2018-3123","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-3123","label":"www.cve.org/CVERecord?id=CVE-2018-3123","hostname":"www.cve.org","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":["CGA-PX5Q-8XRC-M3GG","CGA-WQ2P-W533-GMFM"]},"timeline":[{"kind":"published","date":"2019-04-23T18:16:38.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-10-02T15:50:34.416Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":24,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T15:35:36.900Z","stale":false,"partial":false}}