OS Command Injection in Cisco Nexus 9000 Series Switches in ACI Mode and Cisco NX-OS - CVE-2021-1584

 

OS Command Injection in Cisco Nexus 9000 Series Switches in ACI Mode and Cisco NX-OS - CVE-2021-1584

Published: August 26, 2021


Vulnerability identifier: #VU56100
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-1584
CWE-ID: CWE-78
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco Nexus 9000 Series Switches in ACI Mode
Cisco NX-OS

Detailed vulnerability description

The vulnerability allows a local user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A administrator can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2021-1584

Install updates from vendor's website.

Sources