#VU51785 OS Command Injection in Cisco Systems, Inc products - CVE-2021-1441
Published: March 30, 2021
Vulnerability identifier: #VU51785
Vulnerability risk: Low
CVSSv4.0: 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-2021-1441
CWE-ID: CWE-78
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Cisco IOS XE
Cisco 1100 Series Industrial Integrated Services Routers
ESR6300 Embedded Series Routers
Cisco IOS XE
Cisco 1100 Series Industrial Integrated Services Routers
ESR6300 Embedded Series Routers
Software vendor:
Cisco Systems, Inc
Cisco Systems, Inc
Description
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 updates from vendor's website.