{"cve":"CVE-2023-21934","nvd":{"published":"2023-04-18T20:15:14.197","modified":"2026-06-17T05:34:22.567","status":"Modified","description":"Vulnerability in the Java VM component of Oracle Database Server.  Supported versions that are affected are 19c and  21c. Difficult to exploit vulnerability allows low privileged attacker having User Account privilege with network access via TLS to compromise Java VM.  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Java VM accessible data as well as  unauthorized access to critical data or complete access to all Java VM accessible data. CVSS 3.1 Base Score 6.8 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N).","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","score":6.8},"cwes":[],"references":["https://www.oracle.com/security-alerts/cpuapr2023.html","https://www.oracle.com/security-alerts/cpuapr2023.html"],"products":["oracle:database"],"source":"nvd","synced_at":"2026-10-19T21:38:05.473481323+00:00"},"epss":{"cve":"CVE-2023-21934","score":0.00536,"percentile":0.45243,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}