ACTIVELY EXPLOITED

CVE-2024-20399: Cisco NX-OS Command Injection Vulnerability

Facts
VendorCisco
ProductNX-OS
Actively exploitedYes
Added to CISA KEV2 Jul 2024
CISA federal deadline23 Jul 2024
Weakness (CWE)CWE-78

Required action (CISA's text)

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

Description (NVD)

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.

SOURCES

Other Cisco flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.