Frontpage Server Extensions allows remote attackers to determine the name of the anonymous account via an RPC POST request to shtml.dll in the /_vti_bin/ virtual directory.
https://github.com/arkede/cve-2000
https://github.com/Josekutty-K/frontpage-server-extensions-vulnerability-scanner
https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-2000-0114