CVE-2021-21581 Cross-site scripting in Integrated Dell Remote Access Controller (iDRAC)

Medium 6.5 Published 3 Aug 2021 Updated 16 Sep 2024

Remote attackers can execute malicious scripts in victim browsers via crafted links in Dell iDRAC9, requiring an upgrade to mitigate.

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-2021-21581?

CVE-2021-21581 is a medium-severity cross-site scripting vulnerability in Integrated Dell Remote Access Controller (iDRAC), published on 3 Aug 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 5.00.00.00 contain a cross-site scripting vulnerability. A remote attacker could potentially exploit this vulnerability to run malicious HTML or JavaScript in a victim’s browser by tricking a victim in to following a specially crafted link.

Weakness: CWE-79

Which versions are affected by CVE-2021-21581?

It affects 1 product.

Products include Dell Emc Idrac9 Firmware.

How do I fix CVE-2021-21581?

No fix has been published for CVE-2021-21581 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-2021-21581 being exploited?

There is no known exploitation of CVE-2021-21581 in the wild and no public exploit code.

Sources

Also known as GHSA-q28h-28x6-hw4r.