CVE-2021-2436 Cross-site scripting in Common Applications

High 8.2 Published 20 Jul 2021 Updated 25 Sep 2024

Unauthenticated attackers can exploit this vulnerability to access critical data and modify some data in Oracle E-Business Suite via HTTP.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2021-2436?

CVE-2021-2436 is a high-severity cross-site scripting vulnerability in Oracle Corporation Common Applications, published on 20 Jul 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Vulnerability in the Oracle Common Applications product of Oracle E-Business Suite (component: CRM User Management Framework). Supported versions that are affected are 12.1.1-12.1.3 and 12.2.3-12.2.10. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Common Applications. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Common Applications, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Common Applications accessible data as well as unauthorized update, insert or delete access to some of Oracle Common Applications accessible data. CVSS 3.1 Base Score 8.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N).

Which versions are affected by CVE-2021-2436?

It affects 1 product.

Products include Oracle Common Applications.

How do I fix CVE-2021-2436?

No fix has been published for CVE-2021-2436 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2021-2436 being exploited?

There is no known exploitation of CVE-2021-2436 in the wild and no public exploit code.

Sources

Also known as GHSA-q7gg-rvc8-jm36.