CVE-2021-34729 MEDIUM

CVE-2021-34729: Cisco IOS XE SD-WAN Software Command Injection Vulnerability

Vendor Cisco
Product Cisco IOS XE SD-WAN Software
Weakness CWE-77
Published September 23, 2021
Last update November 7, 2024

CVSS base score

6.7/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

A vulnerability in the CLI of Cisco IOS XE SD-WAN Software and Cisco IOS XE Software could allow an authenticated, local attacker to execute arbitrary commands with elevated privileges on an affected device. This vulnerability is due to insufficient validation of arguments passed to certain CLI commands. An attacker could exploit this vulnerability by including malicious input in the argument of an affected command. A successful exploit could allow the attacker to execute arbitrary commands with elevated privileges on the underlying operating system. An attacker would need valid user credentials to exploit this vulnerability.

Key dates

02Disclosure timeline

September 23, 2021 CVE published
November 7, 2024 Record updated