CVE-2019-1966 Cisco Unified Computing System Fabric Interconnect root Privilege Escalation Vulnerability

High 7.8 Published Updated

Authenticated local attackers can gain root privileges on Cisco UCS Fabric Interconnects via a specific CLI command in the local-mgmt context.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-1966?

CVE-2019-1966 is a high-severity vulnerability in Cisco Nx-Os, published on 29 Aug 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability in a specific CLI command within the local management (local-mgmt) context for Cisco UCS Fabric Interconnect Software could allow an authenticated, local attacker to gain elevated privileges as the root user on an affected device. The vulnerability is due to extraneous subcommand options present for a specific CLI command within the local-mgmt context. An attacker could exploit this vulnerability by authenticating to an affected device, entering the local-mgmt context, and issuing a specific CLI command and submitting user input. A successful exploit could allow the attacker to execute arbitrary operating system commands as root on an affected device. The attacker would need to have valid user credentials for the device.

Weakness: CWE-264

Which versions are affected by CVE-2019-1966?

It affects 2 products.

Products include Cisco Nx-Os, Cisco Unified Computing System.

How do I fix CVE-2019-1966?

No fix has been published for CVE-2019-1966 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-1966 being exploited?

There is no known exploitation of CVE-2019-1966 in the wild and no public exploit code.

All Cisco Nx-Os vulnerabilities

Sources

Also known as GHSA-wjmx-f4ff-3r2q.

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