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Cisco Security Advisory: Cisco SD-WAN Solution Certificate Validation Bypass Vulnerability

Advisory ID: cisco-sa-20181003-sd-wan-bypass

Revision: 1.0

For Public Release: 2018 October 3 16:00 GMT

Last Updated: 2018 October 3 16:00 GMT

CVE ID(s): CVE-2018-15387

CVSS Score v(3): 8.1 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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Summary

=======

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://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-sd-wan-bypass [“https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-sd-wan-bypass”]

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