CISA-confirmed known exploited vulnerability

CVE-2024-20399

Cisco NX-OS Command Injection Vulnerability

Cisco · NX-OS

Vulnerability details

Cisco NX-OS contains a command injection vulnerability in the command line interface (CLI) that could allow an authenticated, local attacker to execute commands as root on the underlying operating system of an affected device.

Added to CISA KEV: 2024-07-02

Ransomware campaign use: Unknown

CISA due date: 2024-07-23

Defensive guidance from CISA

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.

Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC

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