Overview
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.
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-cmd-injection-xD9OhyOP; https://nvd.nist.gov/vuln/detail/CVE-2024-20399
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2024-20399 |
| Vendor / Product | Cisco — NX-OS |
| NVD Published | 2024-07-01 |
| NVD Last Modified | 2025-10-28 |
| CVSS 3.1 Score | 6 |
| CVSS 3.1 Vector | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N |
| Severity | MEDIUM |
| CWE | CWE-78 |
| CISA KEV Added | 2024-07-02 |
| CISA KEV Deadline | 2024-07-23 |
| Known Ransomware Use | No |
CVSS 3.1 Breakdown
Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Required Action
CISA BOD 22-01 Deadline: 2024-07-23.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Timeline
| Date | Event |
|---|---|
| 2024-07-02 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2024-07-23 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2024-20399 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |