SQLQHit.asp sample file in Microsoft Index Server 2.0 allows remote attackers to obtain sensitive information such as the physical path, file attributes, or portions of source code by directly calling sqlqhit.asp with a CiScope parameter set to (1) webinfo, (2) extended_fileinfo, (3) extended_webinfo, or (4) fileinfo.

Buffer overflow in ISAPI extension (idq.dll) in Index Server 2.0 and Indexing Service 2000 in IIS 6.0 beta and earlier allows remote attackers to execute arbitrary commands via a long argument to Internet Data Administration (.ida) and Internet Data Query (.idq) files such as default.ida, as commonly exploited by Code Red.

Buffer overflow in Microsoft Index Server 2.0 allows remote attackers to execute arbitrary commands via a long search parameter.

Microsoft Index Server 2.0 in Windows NT 4.0, and Indexing Service in Windows 2000, allows remote attackers to read server-side include files via a malformed search request, aka a new variant of the "Malformed Hit-Highlighting" vulnerability.

Microsoft Index Server allows remote attackers to view the source code of ASP files by appending a %20 to the filename in the CiWebHitsFile argument to the null.htw URL.

The WebHits ISAPI filter in Microsoft Index Server allows remote attackers to read arbitrary files, aka the "Malformed Hit-Highlighting Argument" vulnerability.

Microsoft Index Server allows remote attackers to determine the real path for a web directory via a request to an Internet Data Query file that does not exist.

The Remote Data Service (RDS) DataFactory component of Microsoft Data Access Components (MDAC) in IIS 3.x and 4.x exposes unsafe methods, which allows remote attackers to execute arbitrary commands.

Index Server 2.0 on IIS 4.0 stores physical path information in the ContentIndex\Catalogs subkey of the AllowedPaths registry key, whose permissions allows local and remote users to obtain the physical paths of directories that are being indexed.