CVE-2023-20237 Server-side request forgery in Cisco Intersight Virtual Appliance

Medium 4.3 Published 16 Aug 2023 Updated 2 Aug 2024

An unauthenticated adjacent attacker can access internal HTTP services and subnets via crafted CLI commands due to insufficient proxy restrictions.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-20237?

CVE-2023-20237 is a medium-severity server-side request forgery vulnerability in Cisco Intersight Virtual Appliance, published on 16 Aug 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability in Cisco Intersight Virtual Appliance could allow an unauthenticated, adjacent attacker to access internal HTTP services that are otherwise inaccessible. This vulnerability is due to insufficient restrictions on internally accessible http proxies. An attacker could exploit this vulnerability by submitting a crafted CLI command. A successful exploit could allow the attacker access to internal subnets beyond the sphere of their intended access level.

Weakness: CWE-77, CWE-284

Which versions are affected by CVE-2023-20237?

It affects 1 product.

Products include Cisco Intersight Virtual Appliance.

How do I fix CVE-2023-20237?

No fix has been published for CVE-2023-20237 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2023-20237 being exploited?

There is no known exploitation of CVE-2023-20237 in the wild and no public exploit code.

Sources

Also known as GHSA-92f9-q83c-gm35.