CVE-2023-20214 Auth bypass in Cisco SD-WAN vManage

Critical 9.1 Published 3 Aug 2023 Updated 2 Aug 2024

Unauthenticated attackers can bypass REST API authentication to read and modify configuration data in Cisco SD-WAN vManage instances.

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-2023-20214?

CVE-2023-20214 is a critical authentication bypass vulnerability in Cisco Catalyst Sd-Wan Manager, published on 3 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 request authentication validation for the REST API of Cisco SD-WAN vManage software could allow an unauthenticated, remote attacker to gain read permissions or limited write permissions to the configuration of an affected Cisco SD-WAN vManage instance. This vulnerability is due to insufficient request validation when using the REST API feature. An attacker could exploit this vulnerability by sending a crafted API request to an affected vManage instance. A successful exploit could allow the attacker to retrieve information from and send information to the configuration of the affected Cisco vManage instance. This vulnerability only affects the REST API and does not affect the web-based management interface or the CLI.

Weakness: CWE-287

Which versions are affected by CVE-2023-20214?

It affects 2 products.

Products include Cisco Catalyst Sd-Wan Manager, Cisco Sd-Wan Vmanage.

How do I fix CVE-2023-20214?

No fix has been published for CVE-2023-20214 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2023-20214 being exploited?

There is no known exploitation of CVE-2023-20214 in the wild and no public exploit code.

All Cisco Catalyst Sd-Wan Manager vulnerabilities

Sources

Also known as GHSA-m62w-7qr8-gjmc.