cisco-sa-sdwan-privesc-QVszVUPy: Cisco SD-WAN Software Privilege Escalation Vulnerability

Published May 5, 2021
·
Updated

A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to inject arbitrary commands to be executed with Administrator privileges on the underlying operating system. This vulnerability is due to insufficient input validation on certain CLI commands. An attacker could exploit this vulnerability by authenticating to the device and submitting crafted input to the CLI. The attacker must be authenticated as a low-privileged user to execute the affected commands. A successful exploit could allow the attacker to execute commands with Administrator privileges. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-privesc-QVszVUPy

Affected Software

1 affected componentFixes available
Cisco SD-WAN Software=20.5, <20.5.1, =20.4, <20.4.1, =20.3, <20.3.1, =20.1, <20.1.1, =19.3, <19.3.0, =19.2, <19.2.0, =19.1, <19.1.0, =18.4, <18.4.0, >=.3, <18, <=18.3, <18.3.0
20.5.120.4.120.3.120.1.119.3.019.2.019.1.018.4.018.3.0

Event History

May 5, 2021
Advisory Published
via Cisco·04:00 PM

Child vulnerabilities

Contains the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of cisco-sa-sdwan-privesc-QVszVUPy?

The severity of cisco-sa-sdwan-privesc-QVszVUPy is high due to the potential for unauthorized command execution with administrator privileges.

2

How do I fix cisco-sa-sdwan-privesc-QVszVUPy?

To fix cisco-sa-sdwan-privesc-QVszVUPy, upgrade your Cisco SD-WAN Software to a version that addresses the vulnerability.

3

What products are affected by cisco-sa-sdwan-privesc-QVszVUPy?

The affected products by cisco-sa-sdwan-privesc-QVszVUPy include specific versions of Cisco SD-WAN Software from 18.3.0 to 20.5.

4

What causes the cisco-sa-sdwan-privesc-QVszVUPy vulnerability?

The cisco-sa-sdwan-privesc-QVszVUPy vulnerability is caused by insufficient input validation on certain command-line interface commands.

5

Who can exploit cisco-sa-sdwan-privesc-QVszVUPy?

An authenticated local attacker can exploit cisco-sa-sdwan-privesc-QVszVUPy to inject arbitrary commands.

Contact

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