HIGH · 7.5

CVE-1999-1591

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 attac...

Vulnerability 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.

CVSS Score

7.5

HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P
Confidentiality
PARTIAL
Integrity
PARTIAL
Availability
PARTIAL

Affected Products

VendorProductVersions
MicrosoftInternet Information Server4.0
MicrosoftVisual Interdev6.0

References

FAQ

What is CVE-1999-1591?

CVE-1999-1591 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 attac...

How severe is CVE-1999-1591?

CVE-1999-1591 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-1999-1591?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Internet Information Server, Microsoft Visual Interdev.