Cisco has released software 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 exposure 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 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

In the following tables, the left column lists releases of Cisco FXOS or NX-OS Software. The right 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.

Firepower 40 Series Next-Generation and Firepower 9300 Security Appliance: CSCvf23367

Cisco FXOS Software Release First Fixed Release for This Vulnerability
Prior to 2.3 2.3.1.58
2.3 Not vulnerable

MDS 9000 Series Multilayer Switches: CSCuc98542

Cisco NX-OS Software Release First Fixed Release for This Vulnerability
5.2 6.2(1)
6.2 6.2(1)
7.3 Not vulnerable
8.1 Not vulnerable
8.2 Not vulnerable

Nexus 3000 Series Switches: CSCuc98542

Cisco NX-OS Software Release First Fixed Release for This Vulnerability
5.0(3) 6.0(2)U1(2)
6.0(2) 6.0(2)U1(2)
7.0(3) Not vulnerable
9.2(1) Not vulnerable

Nexus 3500 Platform Switches: CSCuc98542

Cisco NX-OS Software Release First Fixed Release for This Vulnerability
5.0(3) 6.0(2)A1(1b)
6.0(2) 6.0(2)A1(1b)
7.0(3) Not vulnerable
9.2(1) Not vulnerable

Nexus 2000, 5500, 5600, and 6000 Series Switches: CSCuc98542

Cisco NX-OS Software Release First Fixed Release for This Vulnerability
5.0 7.0(0)N1(1)
5.1 7.0(0)N1(1)
6.0 7.0(0)N1(1)
7.0 Not vulnerable
7.1 Not vulnerable
7.2 Not vulnerable
7.3 Not vulnerable

Nexus 7000 and 7700 Series Switches: CSCuc98542

Cisco NX-OS Software Release First Fixed Release for This Vulnerability
5.2 5.2(9)
6.1 6.1(3)
6.2 Not vulnerable
7.2 Not vulnerable
7.3 Not vulnerable
8.0 Not vulnerable
8.1 Not vulnerable
8.2 Not vulnerable

Nexus 9000 Series Fabric Switches in ACI Mode: CSCvj94174

Cisco NX-OS Software Release First Fixed Release for This Vulnerability
Prior to 13.2/3.2 13.2(2l) / 3.2(2l)
13.2/3.2 13.2(2l) / 3.2(2l)

UCS 6100, 6200, and 6300 Series Fabric Interconnects: CSCvj96148

Cisco NX-OS UCS Software Release First Fixed Release for This Vulnerability
Prior to 2.2 2.2(8l)
2.2 2.2(8l)
3.1 3.1(3j)
3.2 3.2(3g)
4.0 4.0(1a)



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