CVE-2021-2156 Missing authorization in Customers Online

High 8.1 Published 22 Apr 2021 Updated 26 Sep 2024

Low-privileged attackers can unauthorizedly read, create, delete, or modify critical data in Oracle Customers Online via HTTP.

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-2021-2156?

CVE-2021-2156 is a high-severity missing authorization vulnerability in Oracle Corporation Customers Online, published on 22 Apr 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Vulnerability in the Oracle Customers Online product of Oracle E-Business Suite (component: Customer Tab). Supported versions that are affected are 12.1.3 and 12.2.3-12.2.10. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Customers Online. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Customers Online accessible data as well as unauthorized access to critical data or complete access to all Oracle Customers Online accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).

Which versions are affected by CVE-2021-2156?

It affects 1 product.

Products include Oracle Customers Online.

How do I fix CVE-2021-2156?

No fix has been published for CVE-2021-2156 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-2021-2156 being exploited?

There is no known exploitation of CVE-2021-2156 in the wild and no public exploit code.

Sources

Also known as GHSA-vgmj-4mmf-79r6.