CVE-2020-14825: Oracle WebLogic Server T3 Protocol Deserialization of Untrusted Data Remote Code Execution Vulnerability

Published Oct 21, 2020

Updated

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Oracle WebLogic Server. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the T3 protocol. Crafted data in a T3 protocol message can trigger the deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the service account.

Other sources

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Oracle WebLogic. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the T3 protocol. Crafted data in a T3 protocol message can trigger the deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the service account.

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via IIOP, T3 to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Affected Software

4 affected components

ORACLE WebLogic Server=12.2.1.3.0

ORACLE WebLogic Server=12.2.1.4.0

ORACLE WebLogic Server=14.1.1.0.0

ORACLE WebLogic Server

Event History

Oct 21, 2020

CVE Published

via MITRE·02:04 PM

Data Sourced

via MITRE·02:04 PM

DescriptionSeverityWeakness

Feb 23, 2025

Advisory Published

via ZDI·07:09 PM

Frequently Asked Questions

What is the severity of CVE-2020-14825?

CVE-2020-14825 is considered critical due to its potential for remote code execution without authentication.

How do I fix CVE-2020-14825?

To fix CVE-2020-14825, apply the latest security patches from Oracle for the affected versions of Oracle WebLogic Server.

Which versions of Oracle WebLogic Server are affected by CVE-2020-14825?

CVE-2020-14825 affects Oracle WebLogic Server versions 12.2.1.3.0, 12.2.1.4.0, and 14.1.1.0.0.

What are the potential impacts of exploiting CVE-2020-14825?

Exploitation of CVE-2020-14825 could allow attackers to execute arbitrary code, potentially compromising the entire server.

Is authentication required to exploit CVE-2020-14825?

No, authentication is not required to exploit CVE-2020-14825, making it particularly dangerous.