cisco-sa-20181003-sd-wan-bypass: Cisco SD-WAN Solution Certificate Validation Bypass Vulnerability

Published Oct 3, 2018
·
Updated

A vulnerability in the Cisco SD-WAN Solution could allow an unauthenticated, remote attacker to bypass certificate validation on an affected device.

The vulnerability is due to improper certificate validation. An attacker could exploit this vulnerability by supplying a system image signed with a crafted certificate to an affected device, bypassing the certificate validation. An exploit could allow an attacker to deploy a crafted system image. 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-20181003-sd-wan-bypass

Credit

This vulnerability was reported to Cisco by Joe Ksiazek, a security researcher with Exelon.

Affected Software

1 affected component
Cisco SD-WAN Solution

Event History

Oct 3, 2018
Advisory Published
04:00 PM
Data Sourced
04:00 PM
DescriptionSeverityWeaknessAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of cisco-sa-20181003-sd-wan-bypass?

The severity of cisco-sa-20181003-sd-wan-bypass is considered critical due to the impact it can have on system integrity.

2

How do I fix cisco-sa-20181003-sd-wan-bypass?

To fix cisco-sa-20181003-sd-wan-bypass, update your Cisco SD-WAN software to the latest version that contains the security patches.

3

Who is affected by cisco-sa-20181003-sd-wan-bypass?

Organizations using vulnerable versions of Cisco SD-WAN Solution are at risk of exploitation from cisco-sa-20181003-sd-wan-bypass.

4

Can cisco-sa-20181003-sd-wan-bypass be exploited remotely?

Yes, cisco-sa-20181003-sd-wan-bypass allows unauthenticated remote attackers to exploit the vulnerability.

5

What causes the vulnerability in cisco-sa-20181003-sd-wan-bypass?

The vulnerability in cisco-sa-20181003-sd-wan-bypass is caused by improper certificate validation in the Cisco SD-WAN Solution.

Contact

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