When considering software upgrades, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories 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.
At the time of publication, Cisco FMC Software releases 6.6.4 and 18.104.22.168 and later contained the fix for these vulnerabilities.
Note: The First Fixed Release for the 6.6.0 code train was 6.6.3; however, due to upgrade issues associated with CSCvx86231 the recommended release is 6.6.4.
At the time of publication, Cisco expected to fix these vulnerabilities in Cisco FMC Software Release 22.214.171.124, scheduled for May 2021.
See the Details section in the bug ID(s) at the top of this advisory for the most complete and current information.