CVE-2021-29139 Cross-site scripting in Aruba ClearPass Policy Manager

Medium 4.8 Published 29 Apr 2021 Updated 3 Aug 2024

Remote attackers can execute arbitrary scripts in user browsers via XSS in Aruba ClearPass Policy Manager, potentially leading to session hijacking or data theft.

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

What is CVE-2021-29139?

CVE-2021-29139 is a medium-severity cross-site scripting vulnerability in Aruba ClearPass Policy Manager, published on 29 Apr 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

A remote cross-site scripting (XSS) vulnerability was discovered in Aruba ClearPass Policy Manager version(s) prior to 6.9.5, 6.8.9, 6.7.14-HF1. Aruba has released patches for Aruba ClearPass Policy Manager that address this security vulnerability.

Weakness: CWE-79

Which versions are affected by CVE-2021-29139?

It affects 1 product.

Products include Arubanetworks Clearpass.

How do I fix CVE-2021-29139?

No fix has been published for CVE-2021-29139 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-2021-29139 being exploited?

There is no known exploitation of CVE-2021-29139 in the wild and no public exploit code.

Sources

Also known as GHSA-f65h-84mh-92pc.