CVE-2019-1592 Cisco Nexus 9000 Series Fabric Switches Application Centric Infrastructure Mode Privilege Escalation Vulnerability

High 7.8 Published Updated

An authenticated local attacker can gain root privileges on Cisco Nexus 9000 switches by exploiting insufficient file validation in background operations.

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-2019-1592?

CVE-2019-1592 is a high-severity vulnerability in Cisco Nx-Os, published on 3 May 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability in the background operations functionality of Cisco Nexus 9000 Series Application Centric Infrastructure (ACI) Mode Switch Software could allow an authenticated, local attacker to gain elevated privileges as root on an affected device. The vulnerability is due to insufficient validation of user-supplied files on an affected device. An attacker could exploit this vulnerability by logging in to the CLI of the affected device and creating a crafted file in a specific directory on the filesystem. A successful exploit could allow the attacker to execute arbitrary operating system commands as root on an affected device.

Weakness: CWE-20, CWE-264

Which versions are affected by CVE-2019-1592?

It affects 1 product.

Products include Cisco Nx-Os.

How do I fix CVE-2019-1592?

No fix has been published for CVE-2019-1592 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-1592 being exploited?

There is no known exploitation of CVE-2019-1592 in the wild and no public exploit code.

All Cisco Nx-Os vulnerabilities

Sources

Also known as GHSA-9jvg-6jq4-q9m9.

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