CVE-1999-1591

None

CVSS

—

EPSS

11.3%

Published

Dec 31, 1999

CISA due date

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The record

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.

Affected packages

Ecosystem	Package	Introduced	Fixed