CVE-2023-20179 Cross-site scripting in Cisco SD-WAN vManage

Medium 4.3 Published 27 Sep 2023 Updated 23 Sep 2024

Authenticated attackers can inject HTML into the Cisco SD-WAN Manager interface, modifying pages and enabling further browser-based attacks against users.

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

What is CVE-2023-20179?

CVE-2023-20179 is a medium-severity cross-site scripting vulnerability in Cisco SD-WAN vManage, published on 27 Sep 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability in the web-based management interface of Cisco Catalyst SD-WAN Manager, formerly Cisco SD-WAN vManage, could allow an authenticated, remote attacker to inject HTML content. This vulnerability is due to improper validation of user-supplied data in element fields. An attacker could exploit this vulnerability by submitting malicious content within requests and persuading a user to view a page that contains injected content. A successful exploit could allow the attacker to modify pages within the web-based management interface, possibly leading to further browser-based attacks against users of the application.

Weakness: CWE-79, CWE-80

Which versions are affected by CVE-2023-20179?

It affects 1 product.

Products include Cisco Sd-Wan Vmanage.

How do I fix CVE-2023-20179?

No fix has been published for CVE-2023-20179 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-2023-20179 being exploited?

There is no known exploitation of CVE-2023-20179 in the wild and no public exploit code.

Sources

Also known as GHSA-6g9h-226r-qp89.