Auth bypass in Oracle Java Virtual Machine
CVE-2025-21553
Vulnerability in the Java VM component of Oracle Database Server. Supported versions that are affected are 19.3-19.25, 21.3-21.16 and 23.4-23.6. Difficult to exploit vulnerability allows low privileged attacker having Create Session, Create Procedure privilege with network access via Oracle Net to compromise Java VM. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Java VM accessible data as well as unauthorized read access to a subset of Java VM accessible data. CVSS 3.1 Base Score 4.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N).
Vulnerability class: Broken Access Control
EPSS: 0.002 (15.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N.
Affected products
- Oracle Java_virtual_machine
- Oracle Corporation Database Server — versions 19.3, 21.3, 23.4
Weakness classification (CWE)
References
- secalert_us@oracle.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-21553?
- CVE-2025-21553 is a medium-severity vulnerability in Oracle Java Virtual Machine, classified under Incorrect Authorization. CVSS score: 4.2/10. Published 2025-01-21.
- How severe is CVE-2025-21553?
- Medium severity. CVSS v3 base score is 4.2 out of 10.