CVE-2021-34726 MEDIUM

CVE-2021-34726: Cisco SD-WAN Software Command Injection Vulnerability

Vendor Cisco
Product Cisco SD-WAN Solution
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:3.0/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 SD-WAN Software could allow an authenticated, local attacker to inject arbitrary commands to be executed with root-level privileges on the underlying operating system of an affected device. This vulnerability is due to insufficient input validation on certain CLI commands. An attacker could exploit this vulnerability by authenticating to an affected device and submitting crafted input to the CLI. The attacker must be authenticated as an administrative user to execute the affected commands. A successful exploit could allow the attacker to execute commands with root-level privileges.

Key dates

02Disclosure timeline

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