cisco-sa-vepestd-8C3J9Vc: Cisco SD-WAN Software Privilege Escalation Vulnerability

Published Nov 4, 2020
·
Updated

A vulnerability in Cisco SD-WAN Software could allow an authenticated, local attacker to elevate privileges to root on the underlying operating system. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by providing crafted options to a specific command. A successful exploit could allow the attacker to gain root 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-vepestd-8C3J9Vc

Credit

Michal Czyzyk(ISEC), Pawel Haldrzynski(ISEC)

Affected Software

1 affected componentFixes available
Cisco SD-WAN Software=20.3, <20.3.2, >=.3, <18, =18.3, =18.4, =19.2, =19.3, <=20.1, <20.1.2
20.3.220.1.2

Event History

Nov 4, 2020
Advisory Published
via Cisco·04:00 PM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of cisco-sa-vepestd-8C3J9Vc?

The cisco-sa-vepestd-8C3J9Vc vulnerability is classified as a high severity issue due to the potential for privilege escalation.

2

How do I fix cisco-sa-vepestd-8C3J9Vc?

To fix the cisco-sa-vepestd-8C3J9Vc vulnerability, upgrade Cisco SD-WAN Software to a version that is not affected, such as 20.3.2 or higher.

3

Who is affected by cisco-sa-vepestd-8C3J9Vc?

Cisco SD-WAN Software versions 18.3, 18.4, 19.2, 19.3, and all versions up to 20.1.2 are affected by the cisco-sa-vepestd-8C3J9Vc vulnerability.

4

What type of attack does cisco-sa-vepestd-8C3J9Vc enable?

The cisco-sa-vepestd-8C3J9Vc vulnerability enables an authenticated local attacker to elevate their privileges to root on the underlying operating system.

5

What is the cause of the cisco-sa-vepestd-8C3J9Vc vulnerability?

The cisco-sa-vepestd-8C3J9Vc vulnerability is due to insufficient input validation in the Cisco SD-WAN Software.

Contact

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