VAR-199912-0172

Vulnerability from variot - Updated: 2025-04-03 22:11

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. Microsoft Visual InterDev 6.0 client is prone to vulnerability that permits attackers to gain unauthorized access to the affected application. Reportedly, a Visual InterDev 6.0 client may be able to connect to an IIS4 Web Server and manage the website without requiring any user auhentication. This issue may be associated with security permissions applied by FrontPage tools. It is unclear exactly what is allowing this to happen or under what combination of Service Pack / hotfix this may occur

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