CVE-1999-1538 — LOW severity vulnerability (When IIS 2 or 3 is upgraded to IIS 4, ism.dll is inadvertent)
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.
| CVE ID | CVE-1999-1538 |
|---|---|
| Severity | LOW |
| CVSS score | 2.1 |
| CVSS vector | AV:L/AC:L/Au:N/C:P/I:N/A:N |
| CWE | NVD-CWE-Other |
| Status | Modified |
| Published | 1999-01-14 |
| Last modified | 2026-04-16 |
| 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. |
| Source | NIST National Vulnerability Database |
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