Ipswitch WhatsUp Professional 2006 only verifies the user's identity via HTTP headers, which allows remote attackers to spoof being a trusted console and bypass authentication by setting HTTP User-Agent header to "Ipswitch/1.0" and the User-Application header to "NmConsole".
Exploit prediction scoring system (EPSS) score
EPSS Score 0.047
EPSS Ranking 88.8%