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).
Conclusion & alert: CVE-2025-21553 is rated Low Risk (32.8/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.23%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-03-05 | 0.28% | 0.23% | -0.04% |
| 2 | 2026-03-01 | 0.06% | 0.28% | +0.22% |
| 3 | 2025-10-07 | — | 0.06% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.2 | 3.1 | MEDIUM |
|
1.6 | 2.5 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| oracle | java_virtual_machine | >= 19.3, <= 19.25 | cpe:2.3:a:oracle:java_virtual_machine:*:*:*:*:*:*:*:* |
| oracle | java_virtual_machine | >= 21.3, <= 21.16 | cpe:2.3:a:oracle:java_virtual_machine:*:*:*:*:*:*:*:* |
| oracle | java_virtual_machine | >= 23.4, <= 23.6 | cpe:2.3:a:oracle:java_virtual_machine:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.oracle.com/security-alerts/cpujan2025.html | Vendor Advisory |