SB2020082720 - OS Command Injection in Cisco NX-OS Software



SB2020082720 - OS Command Injection in Cisco NX-OS Software

Published: August 27, 2020

Security Bulletin ID SB2020082720
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) OS Command Injection (CVE-ID: CVE-2020-3454)

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

The vulnerability exists due to improper input validation of specific Call Home configuration parameters when the software is configured for transport method HTTP. A remote administrator can modify parameters within the Call Home configuration and execute arbitrary OS commands on the target system.

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


Remediation

Install update from vendor's website.