Auth bypass in Oracle Database Server
CVE-2025-30751
Vulnerability in the Oracle Database component of Oracle Database Server. Supported versions that are affected are 19.27 and 23.4-23.8. Easily exploitable vulnerability allows low privileged attacker having Create Session, Create Procedure privilege with network access via Oracle Net to compromise Oracle Database. Successful attacks of this vulnerability can result in takeover of Oracle Database. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (32.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.001
Affected products
- Oracle Database Server
- Oracle Corporation Database Server — versions 19.27, 23.4
Weakness classification (CWE)
References
- www.oracle.com/security-alerts/cpujul2025.html (vendor-advisory, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-30751?
- CVE-2025-30751 is a high-severity vulnerability in Oracle Database Server, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2025-07-15.
- How severe is CVE-2025-30751?
- High severity. CVSS v3 base score is 8.8 out of 10.