WebEasyMail POP3 username/password brute force attack

webeasymail-pop3-bruteforce (9925) The risk level is classified as LowLow Risk


WebEasyMail could allow a remote attacker to determine POP3 server usernames and passwords. The POP3 server returns different responses depending on whether a valid or invalid username is entered during authentication and could allow a remote attacker to use brute force techniques to determine a valid username and password.


Bypass Security


No remedy available as of September 1, 2014.


  • BugTraq Mailing List, Mon Aug 19 2002 - 19:54:24 CDT : Advisory: DoS in WebEasyMail +more possible? .
  • WebEasyMail Web site: WebEasyMail - Web Mail Server for NT/2000/XP.
  • BID-5519: WebEasyMail POP3 Server Valid User Name Information Disclosure Vulnerability
  • CVE-2002-1416: The POP3 service for WebEasyMail and earlier generates diffferent error messages for valid and invalid usernames during authentication, which makes it easier for remote attackers to conduct brute force attacks.
  • OSVDB ID: 14535: WebEasyMail POP3 Service Error Message Account Enumeration

Platforms Affected:

  • WinWebMail WebEasyMail


Aug 19, 2002

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