CVE-2021-1995 Missing authorization in WebLogic Server

Medium 6.5 Published 20 Jan 2021 Updated 26 Sep 2024

Low-privileged attackers can modify or delete critical data in Oracle WebLogic Server via HTTP without proper authorization checks.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-1995?

CVE-2021-1995 is a medium-severity missing authorization vulnerability in Oracle Weblogic Server, published on 20 Jan 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Web Services). Supported versions that are affected are 10.3.6.0.0 and 12.1.3.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 6.5 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N).

Which versions are affected by CVE-2021-1995?

It affects 1 product.

Products include Oracle Weblogic Server.

How do I fix CVE-2021-1995?

No fix has been published for CVE-2021-1995 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2021-1995 being exploited?

There is no known exploitation of CVE-2021-1995 in the wild and no public exploit code.

All Oracle Weblogic Server vulnerabilities

Sources

Also known as GHSA-3mq7-67j8-qhqj.