CVE-2023-21934 Missing authorization in Database - Enterprise Edition

Medium 6.8 Published 18 Apr 2023 Updated 16 Sep 2024

Low-privileged attackers can bypass authorization to read, create, delete, or modify critical data within the Oracle Database Java VM.

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-2023-21934?

CVE-2023-21934 is a medium-severity missing authorization vulnerability in Oracle Database, published on 18 Apr 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Vulnerability in the Java VM component of Oracle Database Server. Supported versions that are affected are 19c and 21c. Difficult to exploit vulnerability allows low privileged attacker having User Account privilege with network access via TLS to compromise Java VM. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Java VM accessible data as well as unauthorized access to critical data or complete access to all Java VM accessible data. CVSS 3.1 Base Score 6.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N).

Which versions are affected by CVE-2023-21934?

It affects 1 product.

Products include Oracle Database.

How do I fix CVE-2023-21934?

No fix has been published for CVE-2023-21934 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-2023-21934 being exploited?

There is no known exploitation of CVE-2023-21934 in the wild and no public exploit code.

All Oracle Database vulnerabilities

Sources

Also known as GHSA-j6v5-4cj5-hfh4.