SB2021033014 - OS Command Injection in Cisco IOS XE Software



SB2021033014 - OS Command Injection in Cisco IOS XE Software

Published: March 30, 2021

Security Bulletin ID SB2021033014
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local 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-2021-1441)

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

The vulnerability exists due to incorrect validations of parameters passed to a diagnostic script that is executed when the device boots up. A local administrator can tamper with an executable file stored on a device 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.