CVE-2019-1776: Cisco NX-OS Software Command Injection Vulnerability
A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying Linux operating system with a 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-2019-1776?
CVE-2019-1776 is rated as high severity due to its potential for remote command execution with root privileges.
What causes CVE-2019-1776?
CVE-2019-1776 is caused by insufficient validation of arguments passed to the command-line interface of Cisco NX-OS Software.
How do I fix CVE-2019-1776?
To fix CVE-2019-1776, upgrade to the patched version of Cisco NX-OS Software as provided in the Cisco security advisory.
Which systems are affected by CVE-2019-1776?
CVE-2019-1776 affects Cisco NX-OS Software versions before 8.2(2) and 8.3 versions, along with certain older releases.
Can CVE-2019-1776 be exploited remotely?
CVE-2019-1776 requires authenticated local access, hence it cannot be exploited remotely without initial authentication.