Ipswitch WhatsUp Professional /Login.asp username enumeration

whatsup-login-username-enumeration (26503) The risk level is classified as LowLow Risk


Ipswitch WhatsUp Professional could allow a remote attacker to determine valid usernames. The NmConsole/Login.asp script returns different error messages depending on whether a valid username has been entered during a login attempt. An attacker could use this information to enumerate valid usernames.


Obtain Information


No remedy available as of September 1, 2014.


  • Ipswitch, Inc. Web site: WhatsUp Professional 2006 - Premium vs. Standard.
  • CVE-2006-2354: NmConsole/Login.asp in Ipswitch WhatsUp Professional 2006 and Ipswitch WhatsUp Professional 2006 Premium generates different error messages in a way that allows remote attackers to enumerate valid usernames. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
  • OSVDB ID: 25476: Ipswitch WhatsUp Professional NmConsole/Login.asp Error Message Account Enumeration
  • SA20075: WhatsUp Professional Multiple Vulnerabilities

Platforms Affected:

  • Ipswitch WhatsUp 2006 Professional
  • Microsoft Windows 2003 Server


May 11, 2006

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