CVE-2019-1795 Cisco FXOS and NX-OS Software Command Injection Vulnerability
An authenticated local attacker can execute arbitrary commands with root privileges on Cisco NX-OS devices via insufficient CLI argument validation.
- 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-2019-1795?
CVE-2019-1795 is a medium-severity command injection vulnerability in Cisco Firepower Extensible Operating System, 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 FXOS Software and Cisco NX-OS Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying Linux operating system 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 with elevated privileges. An attacker would need valid administrator credentials to exploit this vulnerability.
Which versions are affected by CVE-2019-1795?
It affects 2 products.
Products include Cisco Firepower Extensible Operating System, Cisco Nx-Os.
How do I fix CVE-2019-1795?
No fix has been published for CVE-2019-1795 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-2019-1795 being exploited?
There is no known exploitation of CVE-2019-1795 in the wild and no public exploit code.
Other vulnerabilities in Cisco Firepower Extensible Operating System
- CVE-2018-0310 Information disclosure in Cisco FXOS and NX-OS unknown
- CVE-2015-6435 Command injection in n/a
- CVE-2021-1368 Memory corruption in Cisco NX-OS Software
- CVE-2020-3456 Cisco FXOS Software Firepower Chassis Manager Cross-Site Request Forgery Vulnerability
- CVE-2020-3172 Cisco FXOS and NX-OS Software Cisco Discovery Protocol Arbitrary Code Execution and Denial of Service Vulnerability
All Cisco Firepower Extensible Operating System vulnerabilities
Sources
Also known as GHSA-wq4q-6hpg-5cr3.