CVE-2021-2103 Cross-site scripting in Complex Maintenance, Repair, and Overhaul

High 8.2 Published 20 Jan 2021 Updated 26 Sep 2024

Unauthenticated attackers can exploit a cross-site scripting flaw in Oracle MRO to access critical data and modify records 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-2021-2103?

CVE-2021-2103 is a high-severity cross-site scripting vulnerability in Oracle Corporation Complex Maintenance, Repair, and Overhaul, published on 20 Jan 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 Complex Maintenance, Repair, and Overhaul product of Oracle Supply Chain (component: Dialog Box). Supported versions that are affected are 11.5.10, 12.1 and 12.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Complex Maintenance, Repair, and Overhaul. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Complex Maintenance, Repair, and Overhaul, 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 Complex Maintenance, Repair, and Overhaul accessible data as well as unauthorized update, insert or delete access to some of Oracle Complex Maintenance, Repair, and Overhaul 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-2021-2103?

It affects 2 products.

Products include Oracle Complex Maintenance\, Repair\, and Overhaul, Oracle Complex Maintenance Repair and Overhaul.

How do I fix CVE-2021-2103?

No fix has been published for CVE-2021-2103 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-2021-2103 being exploited?

There is no known exploitation of CVE-2021-2103 in the wild and no public exploit code.

Sources

Also known as GHSA-625v-hxfr-pr86.