CVE-2019-1770: Cisco NX-OS Software Command Injection Vulnerability
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 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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2019-1770?
CVE-2019-1770 has a high severity rating due to its potential to allow unauthenticated local attackers to execute arbitrary commands.
How does CVE-2019-1770 impact my Cisco NX-OS environment?
CVE-2019-1770 allows an authenticated local attacker with administrator credentials to execute root-level commands, potentially compromising the system.
How do I fix CVE-2019-1770?
To fix CVE-2019-1770, you should upgrade to the latest version of Cisco NX-OS Software that addresses this vulnerability.
Which Cisco NX-OS versions are affected by CVE-2019-1770?
CVE-2019-1770 affects Cisco NX-OS versions from 5.2 up to 7.0(3)i4(9) that have not been patched.
What steps should I take if my system is vulnerable to CVE-2019-1770?
If your system is vulnerable to CVE-2019-1770, immediately apply the recommended patches and review your access controls.