has released free updates that address the described in this advisory. Customers may only install and expect support for software versions and feature sets for which they have purchased a license. By installing, downloading, accessing, or otherwise using such software upgrades, customers agree to follow the terms of the Cisco software license:

https://www.cisco.com/c/en/us/products/end-user-license-agreement.html

Additionally, customers may only download software for which they have a valid license, procured from Cisco directly, or through a Cisco authorized reseller or partner. In most cases this will be a maintenance upgrade to software that was previously purchased. Free software updates do not entitle customers to a new software license, additional software feature sets, or major revision upgrades.

When considering software upgrades, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories and Alerts page, to determine and a complete upgrade solution.

In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.

Customers Without Service Contracts

Customers who purchase directly from Cisco but do not hold a Cisco service contract and customers who make purchases through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should obtain upgrades by contacting the Cisco TAC:
https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html

Customers should have the product serial number available and be prepared to provide the URL of this advisory as evidence of entitlement to a free upgrade.

Fixed Releases

Customers are advised to upgrade to an appropriate release as indicated in the applicable table in this section. To help ensure a complete upgrade solution, consider that this advisory is part of a collection. For a complete list of the advisories in the collection and links to them, see Cisco Event Response: June 2018 Cisco FXOS and NX-OS Software Security Advisory Collection.

In the following tables, the left column lists releases of Cisco FXOS or NX-OS Software. The center column indicates whether a release is affected by the vulnerability described in this advisory and the first release that includes the fix for this vulnerability. The right column indicates whether a release is affected by all the vulnerabilities described in this collection of advisories and which release includes fixes for those vulnerabilities.

Nexus 3000 Series Switches: CSCve51704

Cisco NX-OS Software First Fixed Release for This Vulnerability First Fixed Release for All Vulnerabilities Described in the Collection of Advisories
Prior to 7.0(3)I4 7.0(3)I4(8) 7.0(3)I7(4)
7.0(3)I4 7.0(3)I4(8) 7.0(3)I7(4)
7.0(3)I5 7.0(3)I7(1) 7.0(3)I7(4)
7.0(3)I6 7.0(3)I7(1) 7.0(3)I7(4)
7.0(3)I7 Not vulnerable 7.0(3)I7(4)

Nexus 3500 Platform Switches: CSCve91749

Cisco NX-OS Software First Fixed Release for This Vulnerability First Fixed Release for All Vulnerabilities Described in the Collection of Advisories
6.0 6.0(2)A8(6) 7.0(3)I7(4)
7.0.3 Not vulnerable 7.0(3)I7(4)

Nexus 2000, 5500, 5600, and 6000 Series Switches: CSCve91768

Cisco NX-OS Software First Fixed Release for This Vulnerability First Fixed Release for All Vulnerabilities Described in the Collection of Advisories
6.0 7.3(3)N1(1) 7.3(3)N1(1)
7.0 7.3(3)N1(1) 7.3(3)N1(1)
7.1 7.3(3)N1(1) 7.3(3)N1(1)
7.2 7.3(3)N1(1) 7.3(3)N1(1)
7.3 7.3(3)N1(1) 7.3(3)N1(1)

Nexus 7000 and 7700 Series Switches: CSCve51704

Cisco NX-OS Software First Fixed Release for This Vulnerability First Fixed Release for All Vulnerabilities Described in the Collection of Advisories
6.2 8.1(2) 8.1(2) or 8.2(1)
7.2 8.1(2) 8.1(2) or 8.2(1)
7.3 8.1(2) 8.1(2) or 8.2(1)
8.0 8.1(2) 8.1(2) or 8.2(1)
8.1 8.1(2) 8.1(2) or 8.2(1)
8.2 Not vulnerable Not vulnerable

Nexus 9000 Series Switches in standalone NX-OS mode: CSCve51704

Cisco NX-OS Software First Fixed Release for This Vulnerability First Fixed Release for All Vulnerabilities Described in the Collection of Advisories
Prior to 7.0(3)I4 7.0(3)I4(8) 7.0(3)I7(4)
7.0(3)I4 7.0(3)I4(8) 7.0(3)I7(4)
7.0(3)I5 7.0(3)I7(1) 7.0(3)I7(4)
7.0(3)I6 7.0(3)I7(1) 7.0(3)I7(4)
7.0(3)I7 Not vulnerable 7.0(3)I7(4)

Nexus 9500 R-Series Line Cards and Fabric Modules and Nexus 3600 Platform Switches: CSCve51704

Cisco NX-OS Software First Fixed Release for This Vulnerability First Fixed Release for All Vulnerabilities Described in the Collection of Advisories
7.0 7.0(3)F3(3a) 7.0(3)F3(3a)



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