CISA KEV catalog
Confirmed active exploitation.
Listed in CISA's catalog of Known Exploited Vulnerabilities: attackers are using it in real attacks. Patch it with priority.
- Name
- Cisco NX-OS Command Injection Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Description
A vulnerability in the CLI of Cisco NX-OS Software could allow an authenticated user in possession of Administrator credentials to execute arbitrary commands as root on the underlying operating system of an affected device. This vulnerability is due to insufficient validation of arguments that are passed to specific configuration CLI commands. An attacker could exploit this vulnerability by including crafted input as the argument of an affected configuration CLI command. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system with the privileges of root. Note: To successfully exploit this vulnerability on a Cisco NX-OS device, an attacker must have Administrator credentials. The following Cisco devices already allow administrative users to access the underlying operating system through the bash-shell feature, so, for these devices, this vulnerability does not grant any additional privileges: Nexus 3000 Series Switches Nexus 7000 Series Switches that are running Cisco NX-OS Software releases 8.1(1) and later Nexus 9000 Series Switches in standalone NX-OS mode
Affected products
cisco: nx-os; cisco: nexus 7000; cisco: nexus 7000 10-slot; cisco: nexus 7000 18-slot; cisco: nexus 7000 4-slot; cisco: nexus 7000 9-slot; cisco: nexus 7000 supervisor 1; cisco: nexus 7000 supervisor 2; cisco: nexus 7000 supervisor 2e; cisco: nexus 7004; cisco: nexus 7009; cisco: nexus 7010; cisco: nexus 7018; cisco: nexus 7700; cisco: nexus 7700 10-slot
References4
- sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAd… Vendor Advisory
- sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAd… Vendor Advisory
- www.sygnia.co/threat-reports-and-advisories/china-nexus-threat-… Third Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=… US Government Resource
Metrics
- CVSS 3.1
-
6.7
MEDIUM
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 4% percentile: 91 · as of 3 November 2026
- CWE
- CWE-78
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