CVE-2025-30751: database server Auth Bypass — Fix

Description

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).

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-863 Incorrect Authorization

Affected Products

Vendor	Product	Versions
oracle	database_server	19.3 — 19.27
oracle	database_server	23.4 — 23.8

References

Advisories & Patches

https://www.oracle.com/security-alerts/cpujul2025.html

Frequently Asked Questions

What is 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). It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-30751? +

CVE-2025-30751 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-30751? +

CVE-2025-30751 affects products from oracle, specifically: database_server. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-30751? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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