Oracle WebCenter Portal 12.2.1.3.0/12.2.1.4.0 Portlet Services xml external entity reference

Summaryinfo

A vulnerability classified as critical has been found in Oracle WebCenter Portal 12.2.1.3.0/12.2.1.4.0. This impacts an unknown function of the component Portlet Services. This manipulation causes Remote Code Execution. This vulnerability appears as CVE-2020-10683. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Oracle WebCenter Portal 12.2.1.3.0/12.2.1.4.0 (Content Management System) and classified as very critical. Affected by this vulnerability is some unknown processing of the component Portlet Services. The manipulation with an unknown input leads to a remote code execution vulnerability. The CWE definition for the vulnerability is CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 10/20/2020 as Oracle Critical Patch Update Advisory - October 2020. It is possible to read the advisory at oracle.com. This vulnerability is known as CVE-2020-10683. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/22/2026).

The vulnerability scanner Nessus provides a plugin with the ID 294867 (Oracle Siebel Server <= 25.11 (January 2026 CPU)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (294867). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Content Management System

Vendor

• Oracle

Name

• WebCenter Portal

Version

• 12.2.1.3.0
• 12.2.1.4.0

License

• commercial

Website

• Vendor: https://www.oracle.com

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Be aware that VulDB is the high quality source for vulnerability data.

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