CVE-2020-14883 Oracle WebLogic Server Unspecified

Exploited in the wild High 7.2 Published 21 Oct 2020 Updated 12 Jan 2026

High-privileged attackers can compromise Oracle WebLogic Server via HTTP, leading to full system takeover.

Exploited in the wild: Since 3 Nov 2021
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-14883?

CVE-2020-14883 is a high-severity authentication bypass vulnerability in Oracle Weblogic Server, published on 21 Oct 2020. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Console). Supported versions that are affected are 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. Easily exploitable vulnerability allows high privileged attacker with network access via HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.1 Base Score 7.2 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

Which versions are affected by CVE-2020-14883?

It affects 1 product.

Products include Oracle Weblogic Server.

How do I fix CVE-2020-14883?

No fix has been published for CVE-2020-14883 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 3 May 2022.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2020-14883 being exploited?

Yes. Attackers have exploited CVE-2020-14883 in the wild since at least 3 Nov 2021.

Public exploit code: 1 Metasploit module, 1 Nuclei template and 6 proofs of concept on GitHub.

All Oracle Weblogic Server vulnerabilities

Sources

Also known as GHSA-26xh-4mrc-q8jf.