CVE-2019-1848 Cisco DNA Center Authentication Bypass Vulnerability

Critical 9.3 Published 20 Jun 2019 Updated 20 Nov 2024

An unauthenticated adjacent attacker can bypass authentication to access critical internal services by connecting to the cluster services subnet.

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-2019-1848?

CVE-2019-1848 is a critical authentication bypass vulnerability in Cisco Digital Network Architecture Center (DNA Center), published on 20 Jun 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability in Cisco Digital Network Architecture (DNA) Center could allow an unauthenticated, adjacent attacker to bypass authentication and access critical internal services. The vulnerability is due to insufficient access restriction to ports necessary for system operation. An attacker could exploit this vulnerability by connecting an unauthorized network device to the subnet designated for cluster services. A successful exploit could allow an attacker to reach internal services that are not hardened for external access.

Weakness: CWE-668

Which versions are affected by CVE-2019-1848?

It affects 1 product.

Products include Cisco Digital Network Architecture Center.

How do I fix CVE-2019-1848?

No fix has been published for CVE-2019-1848 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-2019-1848 being exploited?

There is no known exploitation of CVE-2019-1848 in the wild and no public exploit code.

Sources

Also known as GHSA-72v5-4c4w-2chj.