Oracle Database Server up to 19.27/23.8 authorization

Summaryinfo

A vulnerability was found in Oracle Database Server up to 19.27/23.8. It has been rated as very critical. The impacted element is an unknown function. This manipulation causes Remote Privilege Escalation. This vulnerability is tracked as CVE-2025-30751. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as very critical was found in Oracle Database Server up to 19.27/23.8. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a remote privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Vulnerability in the Oracle Database component of Oracle Database Server. Supported versions that are affected are 19.3-19.27 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).

The advisory is shared at oracle.com. This vulnerability is known as CVE-2025-30751 since 03/26/2025. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/25/2025).

The vulnerability scanner Nessus provides a plugin with the ID 242296 (Oracle Database Server (July 2025 CPU)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (242296) and EUVD (EUVD-2025-21528). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Database Software

Vendor

• Oracle

Name

• Database Server

Version

• 19.0
• 19.1
• 19.2
• 19.3
• 19.4
• 19.5
• 19.6
• 19.7
• 19.8
• 19.9
• 19.10
• 19.11
• 19.12
• 19.13
• 19.14
• 19.15
• 19.16
• 19.17
• 19.18
• 19.19
• 19.20
• 19.21
• 19.22
• 19.23
• 19.24
• 19.25
• 19.26
• 19.27
• 23.0
• 23.1
• 23.2
• 23.3
• 23.4
• 23.5
• 23.6
• 23.7
• 23.8

License

• commercial

Website

• Vendor: https://www.oracle.com

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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