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

CISA Known Exploited Vulnerability (KEV)

Description

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.

Required action (CISA)

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

Notes

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-cmd-injection-xD9OhyOP; https://nvd.nist.gov/vuln/detail/CVE-2024-20399

Weakness behind it

CISA records this vulnerability as an instance of CWE-78. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.

References

• NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-20399
• KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog