CVE-2020-3601 Cisco StarOS Privilege Escalation Vulnerability

Medium 4.4 Published Updated

An authenticated local attacker can execute arbitrary code with root privileges on Cisco ASR 5000 routers via crafted CLI commands.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-3601?

CVE-2020-3601 is a medium-severity vulnerability in Cisco ASR 5000 Series Software, published on 8 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability in the CLI of Cisco StarOS operating system for Cisco ASR 5000 Series Routers could allow an authenticated, local attacker to elevate privileges on an affected device. The vulnerability is due to insufficient input validation of CLI commands. An attacker could exploit this vulnerability by sending crafted commands to the CLI. A successful exploit could allow the attacker to execute arbitrary code with the privileges of the root user. To exploit this vulnerability, an attacker would need to have valid administrative credentials on an affected device.

Weakness: CWE-78, CWE-20

Which versions are affected by CVE-2020-3601?

It affects 1 product.

Products include Cisco Staros.

How do I fix CVE-2020-3601?

No fix has been published for CVE-2020-3601 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-3601 being exploited?

There is no known exploitation of CVE-2020-3601 in the wild and no public exploit code.

Sources

Also known as GHSA-gfq9-6wmw-v68g.

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