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Total 94 CVE
CVE Vendors Products Updated CVSS v3.1
CVE-2000-0457 1 Microsoft 2 Internet Information Server, Internet Information Services 2026-04-16 N/A
ISM.DLL in IIS 4.0 and 5.0 allows remote attackers to read file contents by requesting the file and appending a large number of encoded spaces (%20) and terminated with a .htr extension, aka the ".HTR File Fragment Reading" or "File Fragment Reading via .HTR" vulnerability.
CVE-2002-0422 1 Microsoft 1 Internet Information Services 2026-04-16 N/A
IIS 5 and 5.1 supporting WebDAV methods allows remote attackers to determine the internal IP address of the system (which may be obscured by NAT) via (1) a PROPFIND HTTP request with a blank Host header, which leaks the address in an HREF property in a 207 Multi-Status response, or (2) via the WRITE or MKCOL method, which leaks the IP in the Location server header.
CVE-2000-1104 1 Microsoft 2 Internet Information Server, Internet Information Services 2026-04-16 N/A
Variant of the "IIS Cross-Site Scripting" vulnerability as originally discussed in MS:MS00-060 (CVE-2000-0746) allows a malicious web site operator to embed scripts in a link to a trusted site, which are returned without quoting in an error message back to the client. The client then executes those scripts in the same context as the trusted site.
CVE-2000-0631 1 Microsoft 2 Internet Information Server, Internet Information Services 2026-04-16 N/A
An administrative script from IIS 3.0, later included in IIS 4.0 and 5.0, allows remote attackers to cause a denial of service by accessing the script without a particular argument, aka the "Absent Directory Browser Argument" vulnerability.
CVE-2002-0150 1 Microsoft 2 Internet Information Server, Internet Information Services 2026-04-16 N/A
Buffer overflow in Internet Information Server (IIS) 4.0, 5.0, and 5.1 allows remote attackers to spoof the safety check for HTTP headers and cause a denial of service or execute arbitrary code via HTTP header field values.
CVE-2001-0004 1 Microsoft 2 Internet Information Server, Internet Information Services 2026-04-16 N/A
IIS 5.0 and 4.0 allows remote attackers to read the source code for executable web server programs by appending "%3F+.htr" to the requested URL, which causes the files to be parsed by the .HTR ISAPI extension, aka a variant of the "File Fragment Reading via .HTR" vulnerability.
CVE-2001-0096 1 Microsoft 2 Internet Information Server, Internet Information Services 2026-04-16 N/A
FrontPage Server Extensions (FPSE) in IIS 4.0 and 5.0 allows remote attackers to cause a denial of service via a malformed form, aka the "Malformed Web Form Submission" vulnerability.
CVE-2001-0151 1 Microsoft 1 Internet Information Services 2026-04-16 N/A
IIS 5.0 allows remote attackers to cause a denial of service via a series of malformed WebDAV requests.
CVE-2001-0507 1 Microsoft 1 Internet Information Services 2026-04-16 N/A
IIS 5.0 uses relative paths to find system files that will run in-process, which allows local users to gain privileges via a Trojan horse file, aka the "System file listing privilege elevation" vulnerability.
CVE-2001-0508 1 Microsoft 1 Internet Information Services 2026-04-16 N/A
Vulnerability in IIS 5.0 allows remote attackers to cause a denial of service (restart) via a long, invalid WebDAV request.
CVE-2000-0071 1 Microsoft 2 Internet Information Server, Internet Information Services 2026-04-16 N/A
IIS 4.0 allows a remote attacker to obtain the real pathname of the document root by requesting non-existent files with .ida or .idq extensions.
CVE-2002-1744 1 Microsoft 1 Internet Information Services 2026-04-16 N/A
Directory traversal vulnerability in CodeBrws.asp in Microsoft IIS 5.0 allows remote attackers to view source code and determine the existence of arbitrary files via a hex-encoded "%c0%ae%c0%ae" string, which is the Unicode representation for ".." (dot dot).
CVE-2001-1186 1 Microsoft 1 Internet Information Services 2026-04-16 N/A
Microsoft IIS 5.0 allows remote attackers to cause a denial of service via an HTTP request with a content-length value that is larger than the size of the request, which prevents IIS from timing out the connection.
CVE-2000-0649 1 Microsoft 2 Internet Information Server, Internet Information Services 2026-04-16 N/A
IIS 4.0 allows remote attackers to obtain the internal IP address of the server via an HTTP 1.0 request for a web page which is protected by basic authentication and has no realm defined.
CVE-2000-0951 1 Microsoft 1 Internet Information Services 2026-04-16 N/A
A misconfiguration in IIS 5.0 with Index Server enabled and the Index property set allows remote attackers to list directories in the web root via a Web Distributed Authoring and Versioning (WebDAV) search.
CVE-1999-0281 1 Microsoft 2 Internet Information Server, Internet Information Services 2026-04-16 N/A
Denial of service in IIS using long URLs.
CVE-2002-0419 1 Microsoft 2 Internet Information Server, Internet Information Services 2026-04-16 N/A
Information leaks in IIS 4 through 5.1 allow remote attackers to obtain potentially sensitive information or more easily conduct brute force attacks via responses from the server in which (2) in certain configurations, the server IP address is provided as the realm for Basic authentication, which could reveal real IP addresses that were obscured by NAT, or (3) when NTLM authentication is used, the NetBIOS name of the server and its Windows NT domain are revealed in response to an Authorization request. NOTE: this entry originally contained a vector (1) in which the server reveals whether it supports Basic or NTLM authentication through 401 Access Denied error messages. CVE has REJECTED this vector; it is not a vulnerability because the information is already available through legitimate use, since authentication cannot proceed without specifying a scheme that is supported by both the client and the server.
CVE-2005-2678 1 Microsoft 2 Internet Information Server, Internet Information Services 2026-04-16 N/A
Microsoft IIS 5.1 and 6 allows remote attackers to spoof the SERVER_NAME variable to bypass security checks and conduct various attacks via a GET request with an http://localhost URI, which makes it appear as if the request is coming from localhost.
CVE-2006-0026 1 Microsoft 2 Internet Information Server, Internet Information Services 2026-04-16 N/A
Buffer overflow in Microsoft Internet Information Services (IIS) 5.0, 5.1, and 6.0 allows local and possibly remote attackers to execute arbitrary code via crafted Active Server Pages (ASP).
CVE-2003-0225 1 Microsoft 2 Internet Information Server, Internet Information Services 2026-04-16 N/A
The ASP function Response.AddHeader in Microsoft Internet Information Server (IIS) 4.0 and 5.0 does not limit memory requests when constructing headers, which allow remote attackers to generate a large header to cause a denial of service (memory consumption) with an ASP page.