CVE-1999-1538

Low CVSS 2.1

Published 1999-01-14 · last changed 2026-06-16

The fix

We hold no Microsoft remediation data for CVE-1999-1538, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

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.

Sources

NVD record for CVE-1999-1538

CVSS vector: AV:L/AC:L/Au:N/C:P/I:N/A:N