CVE-2023-21837 Auth bypass in WebLogic Server
Unauthenticated attackers can bypass authentication via IIOP to access critical data in Oracle WebLogic Server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-21837?
CVE-2023-21837 is a high-severity authentication bypass vulnerability in Oracle Weblogic Server, published on 17 Jan 2023. 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 IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
Weakness: CWE-306
Which versions are affected by CVE-2023-21837?
It affects 1 product.
Products include Oracle Weblogic Server.
How do I fix CVE-2023-21837?
No fix has been published for CVE-2023-21837 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2023-21837 being exploited?
There is no known exploitation of CVE-2023-21837 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Oracle Weblogic Server
Sources
Also known as GHSA-5gpr-3236-xvjx.