CVE-2020-3376 Cisco Data Center Network Manager Authentication Bypass Vulnerability

High 7.3 Published 31 Jul 2020 Updated 13 Nov 2024

Unauthenticated remote attackers can bypass authentication in Cisco DCNM to execute arbitrary actions and access sensitive functions.

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-2020-3376?

CVE-2020-3376 is a high-severity authentication bypass vulnerability in Cisco Data Center Network Manager, published on 31 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability in the Device Manager application of Cisco Data Center Network Manager (DCNM) could allow an unauthenticated, remote attacker to bypass authentication and execute arbitrary actions on an affected device. The vulnerability is due to a failure in the software to perform proper authentication. An attacker could exploit this vulnerability by browsing to one of the hosted URLs in Cisco DCNM. A successful exploit could allow the attacker to interact with and use certain functions within the Cisco DCNM.

Weakness: CWE-306

Which versions are affected by CVE-2020-3376?

It affects 1 product.

Products include Cisco Data Center Network Manager.

How do I fix CVE-2020-3376?

No fix has been published for CVE-2020-3376 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-2020-3376 being exploited?

There is no known exploitation of CVE-2020-3376 in the wild and no public exploit code.

All Cisco Data Center Network Manager vulnerabilities

Sources

Also known as GHSA-x97g-525f-hjwr.