CVE-1999-1233

high Microsoft
CVSS v3 Base Score
7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS Score
10.3%
Exploitation probability in 30 days
Top 7% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Confidentiality
P
Integrity
P
Availability
P
Published: December 31, 1999 (9631 days ago)
Last Modified: April 16, 2026
Vendor: Microsoft
Source: NVD

Description

IIS 4.0 does not properly restrict access for the initial session request from a user's IP address if the address does not resolve to a DNS domain, aka the "Domain Resolution" vulnerability.

CWE

NVD-CWE-Other

Affected Products

microsoft internet information server

References

🔗 support.microsoft.com 🔗 www.securityfocus.com 🔗 docs.microsoft.com 🔗 exchange.xforce.ibmcloud.com 🔗 support.microsoft.com