## 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.

## Severity

Overall Severity: N/A

### CVSS Metrics

Type | Score | Severity | Vector
--- | --- | --- | ---

## Affected Products

### microsoft - internet_information_server

Affected Versions:

- 4.0

### microsoft - visual_interdev

Affected Versions:

- 6.0

## References

- http://archives.neohapsis.com/archives/ntbugtraq/1998-1999/msg00276.html
- http://archives.neohapsis.com/archives/ntbugtraq/1998-1999/msg00277.html
- http://www.securityfocus.com/bid/190
- http://archives.neohapsis.com/archives/ntbugtraq/1998-1999/msg00276.html
- http://archives.neohapsis.com/archives/ntbugtraq/1998-1999/msg00277.html
- http://www.securityfocus.com/bid/190

Neural Processor Active