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Cisco Security Advisory: Cisco NX-OS Software NX-API Privilege Escalation Vulnerability

Advisory ID: cisco-sa-20180620-nxos-nxapi

Revision: 1.0

For Public Release: 2018 June 20 16:00 GMT

Last Updated: 2018 June 20 16:00 GMT

CVE ID(s): CVE-2018-0330

CVSS Score v(3): 8.8 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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Summary

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A vulnerability in the NX-API management application programming interface (API) in devices running, or based on, Cisco NX-OS Software could allow an authenticated, remote attacker to execute commands with elevated privileges.

The vulnerability is due to a failure to properly validate certain parameters included within an NX-API request. An attacker that can successfully authenticate to the NX-API could submit a request designed to bypass NX-OS role assignment. A successful exploit could allow the attacker to execute commands with elevated 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://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-nxos-nxapi [“https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-nxos-nxapi”]

This advisory is part of the June 2018 Cisco FXOS and NX-OS Software Security Advisory Collection, which includes 24 Cisco Security Advisories that describe 24 vulnerabilities. For a complete list of the advisories and links to them, see Cisco Event Response: June 2018 Cisco FXOS and NX-OS Software Security Advisory Collection [“https://tools.cisco.com/security/center/viewErp.x?alertId=ERP-67770”].

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