CVE-2023-20050: Cisco NX-OS

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system of an affected device. This vulnerability is due to insufficient validation of arguments that are passed to specific CLI commands. An attacker could exploit this vulnerability by including crafted input as the argument of an affected command. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with the privileges of the currently logged-in user.

Affected products

  • Cisco NX-OS: affected versions not specified; before 8.2\(9\) (fixed in 8.2\(9\)); before 9.3\(10\) (fixed in 9.3\(10\)); before 10.2\(4\) (fixed in 10.2\(4\))

Published 2023-02-23. Last modified 2026-06-17.