CVE-1999-1538

Summary

CVE-1999-1538 is a vulnerability in IIS (Internet Information Services) versions 2 and 3. When upgrading to IIS 4, the ism.dll file is inadvertently left in the /scripts/iisadmin directory. This file does not have access restrictions, allowing unauthorized users to access sensitive server information, including the Administrator's password. This vulnerability can potentially grant attackers full control over the affected IIS server. Upgrading IIS and removing unnecessary files from the server are recommended mitigations.

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