VMware Workspace ONE Access and Identity Manager, allow the /cfg web app and diagnostic endpoints, on port 8443, to be accessed via port 443 using a custom host header. A malicious actor with network access to port 443 could tamper with host headers to facilitate access to the /cfg web app, in addition a malicious actor could access /cfg diagnostic endpoints without authentication.

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-22002
• https://www.vmware.com/security/advisories/VMSA-2021-0016.html