CVE-2024-20367 Cross-site scripting in Cisco Enterprise Chat and Email

Medium 5.4 Published 3 Apr 2024 Updated 1 Aug 2024

Authenticated attackers can execute arbitrary scripts or access sensitive data via XSS in the Cisco ECE web UI by tricking users into clicking crafted links.

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-2024-20367?

CVE-2024-20367 is a medium-severity cross-site scripting vulnerability in Cisco Enterprise Chat and Email, published on 3 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 UI of Cisco Enterprise Chat and Email (ECE) could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. This vulnerability exists because the web UI does not properly validate user-supplied input. An attacker could exploit this vulnerability by persuading a user of the interface to click a crafted link. 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. To successfully exploit this vulnerability, an attacker would need valid agent credentials.

Weakness: CWE-79

Which versions are affected by CVE-2024-20367?

It affects 1 product.

Products include Cisco Enterprise Chat and Email.

How do I fix CVE-2024-20367?

No fix has been published for CVE-2024-20367 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-2024-20367 being exploited?

There is no known exploitation of CVE-2024-20367 in the wild and no public exploit code.

Sources

Also known as GHSA-3xq4-p4mq-3pv4.