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Vulnerability Score 7.5 7.5
CVE Id CVE-1999-1591
Last Modified 05 Sep 2008 04:19:53
Published 31 Dec 1999 12:00:00
Confidentiality Impact PARTIAL PARTIAL
Integrity Impact PARTIAL PARTIAL
Availability Impact PARTIAL PARTIAL
Access Vector NETWORK
Access Complexity LOW
Authentication NONE



Microsoft Internet Information Services (IIS) server 4.0 SP4, without certain hotfixes released for SP4, does not require authentication credentials under certain conditions, which allows remote attackers to bypass authentication requirements, as demonstrated by connecting via Microsoft Visual InterDev 6.0.

Vulnerable Systems


  • Microsoft Internet Information Server 4.0

  • Microsoft Visual Interdev 6.0


BID - 190

NTBUGTRAQ - 19990119 Re: IIS4.0 and Visual Interdev

NTBUGTRAQ - 19990118 IIS4.0 and Visual Interdev

Last Updated: 27 May 2016 10:35:30