Provide references for CVE-2021-1257.
Where can I find more information about CVE-2021-1257?
References are available at: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dnac-csrf-dC83cMcV, https://kc.mcafee.com/corporate/index?page=content&id=SB10382.