CVE-2023-20232 Open redirect in Cisco Unified Contact Center Express

Medium 5.3 Published 16 Aug 2023 Updated 2 Aug 2024

Unauthenticated attackers can redirect users to malicious hosts via crafted HTTP requests, enabling web cache poisoning attacks on Cisco Unified CCX.

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

What is CVE-2023-20232?

CVE-2023-20232 is a medium-severity vulnerability in Cisco Unified Contact Center Express, published on 16 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability in the Tomcat implementation for Cisco Unified Contact Center Express (Unified CCX) could allow an unauthenticated, remote attacker to cause a web cache poisoning attack on an affected device. This vulnerability is due to improper input validation of HTTP requests. An attacker could exploit this vulnerability by sending crafted HTTP requests to a specific API endpoint on the Unified CCX Finesse Portal. A successful exploit could allow the attacker to cause the internal WebProxy to redirect users to an attacker-controlled host.

Weakness: CWE-20

Which versions are affected by CVE-2023-20232?

It affects 1 product.

Products include Cisco Unified Contact Center Express.

How do I fix CVE-2023-20232?

No fix has been published for CVE-2023-20232 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-20232 being exploited?

There is no known exploitation of CVE-2023-20232 in the wild and no public exploit code.

Sources

Also known as GHSA-38hg-9xjj-pc2r.