SB2021033014 - OS Command Injection in Cisco IOS XE Software
Published: March 30, 2021
Breakdown by Severity
- 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.