CVE-1999-1538
lowCVSS v3 Base Score
2.1
AV:L/AC:L/Au:N/C:P/I:N/A:N
EPSS Score
50.3%
Exploitation probability in 30 days
Top 2% most likely to be exploited
Attack Characteristics
Attack Vector
Local
Attack Complexity
Low
Confidentiality
P
Integrity
None
Availability
None
Published: January 14, 1999 (9982 days ago)
Last Modified: April 16, 2026
Vendor: Microsoft
Source: NVD
Vulnerability Report
Generated by CyberWatcher
Description
When IIS 2 or 3 is upgraded to IIS 4, ism.dll is inadvertently left in /scripts/iisadmin, which does not restrict access to the local machine and allows an unauthorized user to gain access to sensitive server information, including the Administrator's password.
CWE
NVD-CWE-OtherAffected Products
microsoft internet information server