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Cisco Security Advisory: Cisco Policy Suite RADIUS Authentication Bypass Vulnerability

Advisory ID: cisco-sa-20180207-cps

Revision: 1.0

For Public Release: 2018 February 7 16:00 GMT

Last Updated: 2018 February 7 16:00 GMT

CVE ID(s): CVE-2018-0116

CVSS Score v(3): 7.2 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

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Summary
=======
A vulnerability in the RADIUS authentication module of Cisco Policy Suite could allow an unauthenticated, remote attacker to be authorized as a subscriber without providing a valid password; however, the attacker must provide a valid username.

The vulnerability is due to incorrect RADIUS user credential validation. An attacker could exploit this vulnerability by attempting to access a Cisco Policy Suite domain configured with RADIUS authentication. An exploit could allow the attacker to be authorized as a subscriber without providing a valid password.

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-20180207-cps [“https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180207-cps”]

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