CVE-2022-21616 Denial of service in WebLogic Server

Medium 5.2 Published 18 Oct 2022 Updated 24 Sep 2024

A high-privileged local attacker can cause a complete denial of service and access or modify limited data in Oracle WebLogic Server.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-21616?

CVE-2022-21616 is a medium-severity denial of service vulnerability in Oracle Weblogic Server, published on 18 Oct 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Web Container). Supported versions that are affected are 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where Oracle WebLogic Server executes to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle WebLogic Server as well as unauthorized update, insert or delete access to some of Oracle WebLogic Server accessible data and unauthorized read access to a subset of Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 5.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:H).

Which versions are affected by CVE-2022-21616?

It affects 1 product.

Products include Oracle Weblogic Server.

How do I fix CVE-2022-21616?

No fix has been published for CVE-2022-21616 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2022-21616 being exploited?

There is no known exploitation of CVE-2022-21616 in the wild and no public exploit code.

All Oracle Weblogic Server vulnerabilities

Sources

Also known as GHSA-ffmf-4579-q673.