CVE-2018-0337 Command injection in Cisco NX-OS unknown
An authenticated local attacker can execute arbitrary commands on Cisco NX-OS devices due to improper input validation in role-based access checks.
- 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-2018-0337?
CVE-2018-0337 is a high-severity command injection vulnerability in Cisco Nx-Os, published on 21 Jun 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability in the role-based access-checking mechanisms of Cisco NX-OS Software could allow an authenticated, local attacker to execute arbitrary commands on an affected device. The vulnerability exists because the affected software lacks proper input and validation checks for certain file systems. An attacker could exploit this vulnerability by issuing crafted commands in the CLI of an affected device. A successful exploit could allow the attacker to cause other users to execute unwanted, arbitrary commands on the affected device. Cisco Bug IDs: CSCvd06339, CSCvd15698, CSCvd36108, CSCvf52921, CSCvf52930, CSCvf52953, CSCvf52976.
Which versions are affected by CVE-2018-0337?
It affects 1 product.
Products include Cisco Nx-Os.
How do I fix CVE-2018-0337?
No fix has been published for CVE-2018-0337 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-2018-0337 being exploited?
There is no known exploitation of CVE-2018-0337 in the wild and no public exploit code.
Other vulnerabilities in Cisco Nx-Os
Sources
Also known as GHSA-77q3-qf4h-gm4j.