CVEvulnerability

CVE-1999-1591

7.5 HIGH Published 1999-12-31 Modified 2026-06-16 Official page ↗
Status
Modified
Published
1999-12-31
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P

Description

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 configurations

• microsoft internet information server 4.0 • microsoft visual interdev 6.0

References