CVE-2023-20248 Cross-site scripting in Cisco TelePresence Management Suite (TMS)

Medium 5.4 Published 24 Apr 2024 Updated 31 Oct 2024

Authenticated attackers can inject malicious scripts into the Cisco TMS web interface, enabling arbitrary code execution or data theft in victim browsers.

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

What is CVE-2023-20248?

CVE-2023-20248 is a medium-severity cross-site scripting vulnerability in Cisco TelePresence Management Suite (TMS), published on 24 Apr 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

A vulnerability in the web-based management interface of Cisco TelePresence Management Suite (TMS) Software could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. This vulnerability is due to insufficient input validation by the web-based management interface. An attacker could exploit this vulnerability by inserting malicious data in a specific data field in the interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.

Weakness: CWE-79

Which versions are affected by CVE-2023-20248?

It affects 1 product.

Products include Cisco Telepresence Management Suite.

How do I fix CVE-2023-20248?

No fix has been published for CVE-2023-20248 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-2023-20248 being exploited?

There is no known exploitation of CVE-2023-20248 in the wild and no public exploit code.

Sources

Also known as GHSA-4fwm-vfjv-mj7j.