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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.002 (14.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 14.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-21553: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

References

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.