{"id":"CVE-2023-21875","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-21875","generatedAt":"2026-10-27T19:05:21.123Z","title":"Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: Encryption).","description":"Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Security: Encryption).  Supported versions that are affected are 8.0.31 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server.  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all MySQL Server accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 5.9 (Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H).","published":"2023-01-18T00:15:16.000Z","lastModified":"2026-06-17T05:34:15.000Z","status":"Modified","sourceIdentifier":"secalert_us@oracle.com","cvss":{"version":"3.1","score":5.9,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H"},"cwe":[],"affected":["oracle/mysql"],"epss":{"score":0.01483,"percentile":0.73797,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (1.48%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://www.oracle.com/security-alerts/cpujan2023.html","tags":["Patch","Vendor Advisory"],"source":"secalert_us@oracle.com"},{"url":"https://www.oracle.com/security-alerts/cpujan2023.html","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-21875","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}