Vulnerability DatabaseCVE-2020-14825

CVE-2020-14825:
Oracle WebLogic Server vulnerability analysis and mitigation

Overview

CVE-2020-14825 is a critical vulnerability affecting Oracle WebLogic Server that was disclosed on October 21, 2020. This vulnerability allows unauthenticated remote attackers to execute arbitrary code through the T3 protocol. The affected versions include Oracle WebLogic Server 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0, and 14.1.1.0.0 (Oracle Advisory, ZDI Advisory).

Technical details

The vulnerability exists within the handling of the T3 protocol in WebLogic Server. The specific flaw allows crafted data in a T3 protocol message to trigger the deserialization of untrusted data. This vulnerability has been assigned a CVSS v3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), indicating its critical severity (ZDI Advisory).

Impact

Successful exploitation of this vulnerability can result in complete takeover of the affected WebLogic Server installation. An attacker can leverage this vulnerability to execute arbitrary code in the context of the service account, potentially gaining full control over the targeted system (ZDI Advisory).

Mitigation and workarounds

Oracle has released security patches to address this vulnerability as part of the October 2020 Critical Patch Update. Users are strongly advised to apply the security updates provided by Oracle to protect against potential exploitation (Oracle Advisory).