CVE-2021-21541 Cross-site scripting in Integrated Dell Remote Access Controller (iDRAC)

Medium 6.1 Published Updated

Remote unauthenticated attackers can execute malicious scripts in victim browsers via DOM-based XSS in Dell iDRAC9, potentially leading to session hijacking or data theft.

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-2021-21541?

CVE-2021-21541 is a medium-severity cross-site scripting vulnerability in Integrated Dell Remote Access Controller (iDRAC), published on 30 Apr 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

Dell EMC iDRAC9 versions prior to 4.40.00.00 contain a DOM-based cross-site scripting vulnerability. A remote unauthenticated attacker could potentially exploit this vulnerability by tricking a victim application user to supply malicious HTML or JavaScript code to DOM environment in the browser. The malicious code is then executed by the web browser in the context of the vulnerable web application.

Weakness: CWE-79

Which versions are affected by CVE-2021-21541?

It affects 1 product.

Products include Dell Idrac9 Firmware.

How do I fix CVE-2021-21541?

No fix has been published for CVE-2021-21541 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-2021-21541 being exploited?

There is no known exploitation of CVE-2021-21541 in the wild and no public exploit code.

Sources

Also known as GHSA-rmm3-386m-h9hc.

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