CVE-1999-0561

Summary

CVE-1999-0561 is a vulnerability affecting Microsoft's Internet Information Services (IIS) version 3. The issue stems from the server's enabling of the #exec function for Server Side Includes (SSI) files. This functionality allows the execution of external commands, potentially leading to remote code execution attacks if an attacker can craft a specially crafted SSI file. The vulnerability poses a significant risk, as IIS is a widely-used web server software. It is recommended that affected systems be updated to a patched version of IIS as soon as possible to mitigate this risk.

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