CVE-2024-20531 Cisco Identity Services Engine XML External Entity Injection Vulnerability

Medium 5.5 Published 6 Nov 2024 Updated 6 Nov 2024

Authenticated Super Admins can exploit XXE in Cisco ISE API to read arbitrary files or perform SSRF attacks.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-20531?

CVE-2024-20531 is a medium-severity vulnerability in Cisco Identity Services Engine, published on 6 Nov 2024. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A vulnerability in the API of Cisco ISE could allow an authenticated, remote attacker to read arbitrary files on the underlying operating system of an affected device and conduct a server-side request forgery (SSRF) attack through an affected device. To exploit this vulnerability, the attacker would need valid Super Admin credentials. This vulnerability is due to improper handling of XML External Entity (XXE) entries when parsing XML input. An attacker could exploit this vulnerability by sending a crafted API request to an affected device. A successful exploit could allow the attacker to read arbitrary files on the underlying operating system or conduct an SSRF attack through the affected device.

Weakness: CWE-918, CWE-611

Which versions are affected by CVE-2024-20531?

It affects 1 product.

Products include Cisco Identity Services Engine.

How do I fix CVE-2024-20531?

No fix has been published for CVE-2024-20531 yet. Limit exposure of the affected software until one is available.

Is CVE-2024-20531 being exploited?

There is no known exploitation of CVE-2024-20531 in the wild and no public exploit code.

All Cisco Identity Services Engine vulnerabilities

Sources

Also known as GHSA-38gf-q933-q62g.