CVE-2024-20399 · Severity: critical · CVSS 6.7 · Exploited in the wild · Published 2024-07-02
A command injection vulnerability in the Cisco NX-OS CLI allows an authenticated attacker with Administrator credentials to execute arbitrary commands as root on the underlying operating system. The issue stems from insufficient validation of arguments passed to specific configuration CLI commands.
Yes. CVE-2024-20399 is known to be exploited in the wild, first recorded on 2 July 2024. Treat it as urgent.
How severe is CVE-2024-20399?
Critical severity, with a CVSS score of 6.7, published 2 July 2024.
Which products and versions are affected?
Cisco NX-OS Software 6.2(2), 6.2(2a), 6.2(6), 6.2(6a) and others; Cisco Nexus 3000 Series Switches; Cisco Nexus 7000 Series Switches 8.1(1) and later; Cisco Nexus 9000 Series Switches.
Is there a fix for CVE-2024-20399?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2024-20399 attacked?
It is attacked with local access, in an operating system.
Am I affected by CVE-2024-20399?
Check whether you run Cisco NX-OS. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Affected products
Cisco NX-OS Software 6.2(2), 6.2(2a), 6.2(6), 6.2(6a) and others
Cisco Nexus 3000 Series Switches
Cisco Nexus 7000 Series Switches 8.1(1) and later
Cisco Nexus 9000 Series Switches
Timeline
2024-07-02: disclosed
2024-07-02: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
2024-07-02: exploited: Reported as exploited in the wild by Sygnia and CISA