Command Injection in Cisco IOS XE SD-WAN and Cisco IOS XE - CVE-2021-34729

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Main Vulnerability Database Vulnerabilities #VU56863

Command Injection in Cisco IOS XE SD-WAN and Cisco IOS XE - CVE-2021-34729

Published: September 24, 2021


Vulnerability identifier: #VU56863
CSH Severity: 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-2021-34729
CWE-ID: CWE-77
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Cisco IOS XE SD-WAN
Cisco IOS XE
Software vendor:
Cisco Systems, Inc

Description

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

The vulnerability exists due to insufficient validation of arguments passed to certain CLI commands. A local administrator can pass specially crafted data to the application and execute arbitrary 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.

External links