“The AnyConnect profile plug-in cannot be accessed” Could you please check the any old anyconnect client version is configured on the ASA or not. Meanwhile, if you want to download the standalone profile editor as well: https://software.cisco.com/dow...

As per the CVE, the detailed information is available in the advisory : Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Remote Access VPN Unauthorized Access Vulnerabilityhttps://sec.cloudapps.cisco.com/security/cente...