CVE-2022-21441 Denial of service in WebLogic Server

What is CVE-2022-21441?

CVE-2022-21441 is a high-severity denial of service vulnerability in Oracle Weblogic Server, published on 19 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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 T3/IIOP 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. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Which versions are affected by CVE-2022-21441?

It affects 1 product.

Products include Oracle Weblogic Server.

How do I fix CVE-2022-21441?

No fix has been published for CVE-2022-21441 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-2022-21441 being exploited?

There is no known exploitation of CVE-2022-21441 in the wild and no public exploit code.

Other vulnerabilities in Oracle Weblogic Server

• CVE-2020-14750 Oracle WebLogic Server Remote Code Execution Exploited Critical 9.8
• CVE-2020-14882 Oracle WebLogic Server Remote Code Execution Exploited Critical 9.8
• CVE-2020-14644 Oracle WebLogic Server Remote Code Execution Exploited Critical 9.8
• CVE-2020-2883 Oracle WebLogic Server Unspecified Exploited Critical 9.8
• CVE-2020-2551 Oracle Fusion Middleware Unspecified Exploited Critical 9.8

All Oracle Weblogic Server vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-3rc2-qxqr-p57v.