CVE-2021-1529: Cisco IOS XE SD-WAN Software Command Injection Vulnerability
A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to execute arbitrary commands with root privileges. The vulnerability is due to insufficient input validation by the system CLI. An attacker could exploit this vulnerability by authenticating to an affected device and submitting crafted input to the system CLI. A successful exploit could allow the attacker to execute commands on the underlying operating system with root privileges.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2021-1529.
What is the severity level of CVE-2021-1529?
The severity level of CVE-2021-1529 is high.
Which software is affected by CVE-2021-1529?
The affected software includes Cisco IOS XE SD-WAN Software versions 16.12 to 17.5.1a.
How can an attacker exploit CVE-2021-1529?
An attacker can exploit CVE-2021-1529 by authenticating to a vulnerable device and executing arbitrary commands with root privileges.
Is there a fix available for CVE-2021-1529?
Yes, Cisco has released software updates to address the vulnerability. Please refer to the Cisco Security Advisory for more details.