CVE-2019-1769 Cisco NX-OS Software Line Card Command Injection Vulnerability
An authenticated local attacker with admin credentials can execute arbitrary root commands on line cards via CLI argument injection.
- 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-2019-1769?
CVE-2019-1769 is a medium-severity command injection vulnerability in Cisco Nx-Os, published on 15 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 CLI of Cisco NX-OS Software could allow an authenticated, local attacker with administrator credentials to execute arbitrary commands on the underlying Linux operating system of an attached line card with the privilege level of root. The vulnerability is due to insufficient validation of arguments passed to a specific CLI command on the affected device. An attacker could exploit this vulnerability by including malicious input as the argument of an affected command. A successful exploit could allow the attacker to execute arbitrary commands on the underlying Linux operating system of an attached line card with elevated privileges. An attacker would need valid administrator credentials to exploit this vulnerability.
Weakness: CWE-78
Which versions are affected by CVE-2019-1769?
It affects 1 product.
Products include Cisco Nx-Os.
How do I fix CVE-2019-1769?
No fix has been published for CVE-2019-1769 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2019-1769 being exploited?
There is no known exploitation of CVE-2019-1769 in the wild and no public exploit code.
Other vulnerabilities in Cisco Nx-Os
Sources
Also known as GHSA-6qh9-2jmr-mwmj.