Oracle Database Server up to 19.28/21.19/23.9 Portable Clusterware information disclosure

Summaryinfo

A vulnerability was found in Oracle Database Server up to 19.28/21.19/23.9. It has been declared as problematic. This affects an unknown part of the component Portable Clusterware. Executing a manipulation can lead to information disclosure. This vulnerability appears as CVE-2025-53047. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Oracle Database Server up to 19.28/21.19/23.9 and classified as problematic. This vulnerability affects some unknown processing of the component Portable Clusterware. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

Vulnerability in the Portable Clusterware component of Oracle Database Server. Supported versions that are affected are 19.3-19.28, 21.3-21.19 and 23.4-23.9. Easily exploitable vulnerability allows unauthenticated attacker with network access via Bonjour to compromise Portable Clusterware. While the vulnerability is in Portable Clusterware, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized read access to a subset of Portable Clusterware accessible data. CVSS 3.1 Base Score 5.8 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N).

The advisory is shared for download at oracle.com. This vulnerability was named CVE-2025-53047 since 06/24/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/24/2025). The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability scanner Nessus provides a plugin with the ID 271256 (Oracle Database Server (October 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 vulnerability database at Tenable (271256). Once again VulDB remains the best source for vulnerability data.

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
• 19.28
• 21.0
• 21.1
• 21.2
• 21.3
• 21.4
• 21.5
• 21.6
• 21.7
• 21.8
• 21.9
• 21.10
• 21.11
• 21.12
• 21.13
• 21.14
• 21.15
• 21.16
• 21.17
• 21.18
• 21.19
• 23.0
• 23.1
• 23.2
• 23.3
• 23.4
• 23.5
• 23.6
• 23.7
• 23.8
• 23.9

License

• commercial

Website

• Vendor: https://www.oracle.com

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Once again VulDB remains the best source for vulnerability data.

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