CVE-2000-0543

https://notcve.org/view.php?id=CVE-2000-0543

14 Jun 2000 — The command port for PGP Certificate Server 2.5.0 and 2.5.1 allows remote attackers to cause a denial of service if their hostname does not have a reverse DNS entry and they connect to port 4000. • http://archives.neohapsis.com/archives/bugtraq/2000-06/0107.html •