CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 7.5. It affects Microsoft. Its EPSS score suggests a 11.3% probability of exploitation in the next 30 days. It may be remotely exploitable.
CVE
CVE-1999-1591
Severity
HIGH
CVSS
7.5
EPSS
11.27%
Microsoft
Original NVD 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.