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Internet Information Server

internet_information_server

Vendor: Microsoft • 107 CVEs

CVEs (107)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Microsoft
2Internet Information Server
Internet Information Services
Apr 16, 2026
Apr 12, 2000
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
IIS 4.0 and 5.0 allows remote attackers to cause a denial of service by sending many URLs with a large number of escaped characters, aka the "Myriad Escaped Characters" Vulnerability.
1Microsoft
6Commercial Internet System
Internet Information ServerInternet Information Services+3 more
Apr 16, 2026
Mar 30, 2000
N/A· v4
N/A· v3
5.0 MEDIUM· v2
IIS 4.0 and 5.0 does not properly perform ISAPI extension processing if a virtual directory is mapped to a UNC share, which allows remote attackers to read the source code of ASP and other files, aka the "Virtualized UNC...Show more
IIS 4.0 and 5.0 does not properly perform ISAPI extension processing if a virtual directory is mapped to a UNC share, which allows remote attackers to read the source code of ASP and other files, aka the "Virtualized UNC Share" vulnerability.Show less
1Microsoft
1Internet Information Server
Apr 16, 2026
Mar 20, 2000
N/A· v4
N/A· v3
5.0 MEDIUM· v2
IIS 4.0 allows attackers to cause a denial of service by requesting a large buffer in a POST or PUT command which consumes memory, aka the "Chunked Transfer Encoding Buffer Overflow Vulnerability."
1Microsoft
1Internet Information Server
Apr 16, 2026
Feb 15, 2000
N/A· v4
N/A· v3
2.1 LOW· v2
IIS Inetinfo.exe allows local users to cause a denial of service by creating a mail file with a long name and a .txt.eml extension in the pickup directory.
1Microsoft
1Internet Information Server
Apr 16, 2026
Feb 2, 2000
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Frontpage Server Extensions allows remote attackers to determine the name of the anonymous account via an RPC POST request to shtml.dll in the /_vti_bin/ virtual directory.
1Microsoft
1Internet Information Server
Apr 16, 2026
Jan 26, 2000
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Sample Internet Data Query (IDQ) scripts in IIS 3 and 4 allow remote attackers to read files via a .. (dot dot) attack.
1Microsoft
1Internet Information Server
Apr 16, 2026
Jan 21, 2000
N/A· v4
N/A· v3
5.0 MEDIUM· v2
IIS allows local users to cause a denial of service via invalid regular expressions in a Visual Basic script in an ASP page.
1Microsoft
2Internet Information Server
Internet Information Services
Apr 16, 2026
Jan 11, 2000
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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.
1Microsoft
2Internet Information Server
Visual Interdev
Apr 16, 2026
Dec 31, 1999
N/A· v4
N/A· v3
7.5 HIGH· v2
Microsoft Internet Information Services (IIS) server 4.0 SP4, without certain hotfixes released for SP4, does not require authentication credentials under certain conditions, which allows remote attackers to bypass authe...Show more
Microsoft Internet Information Services (IIS) server 4.0 SP4, without certain hotfixes released for SP4, does not require authentication credentials under certain conditions, which allows remote attackers to bypass authentication requirements, as demonstrated by connecting via Microsoft Visual InterDev 6.0.Show less
1Microsoft
2Internet Information Server
Site Server
Apr 16, 2026
Dec 31, 1999
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The Winmsdp.exe sample file in IIS 4.0 and Site Server 3.0 allows remote attackers to read arbitrary files.
1Microsoft
1Internet Information Server
Apr 16, 2026
Dec 31, 1999
N/A· v4
N/A· v3
7.5 HIGH· v2
IIS 4.0 does not properly restrict access for the initial session request from a user's IP address if the address does not resolve to a DNS domain, aka the "Domain Resolution" vulnerability.
1Microsoft
1Internet Information Server
Apr 16, 2026
Dec 31, 1999
N/A· v4
N/A· v3
5.0 MEDIUM· v2
IIS 3.0 allows remote attackers to cause a denial of service via a request to an ASP page in which the URL contains a large number of / (forward slash) characters.
1Microsoft
1Internet Information Server
Apr 16, 2026
Dec 31, 1999
N/A· v4
N/A· v3
5.0 MEDIUM· v2
FTP service in IIS 4.0 and earlier allows remote attackers to cause a denial of service (resource exhaustion) via many passive (PASV) connections at the same time.
1Microsoft
1Internet Information Server
Apr 16, 2026
Dec 31, 1999
N/A· v4
N/A· v3
5.0 MEDIUM· v2
IIS 3.0 and 4.0 on x86 and Alpha allows remote attackers to cause a denial of service (hang) via a malformed GET request, aka the IIS "GET" vulnerability.
1Microsoft
2Internet Information Server
Internet Information Services
Apr 16, 2026
Dec 31, 1999
N/A· v4
N/A· v3
5.0 MEDIUM· v2
IIS 2.0 and 3.0 allows remote attackers to read the source code for ASP pages by appending a . (dot) to the end of the URL.
1Microsoft
3Internet Information Server
Site ServerSite Server Commerce
Apr 16, 2026
Dec 21, 1999
N/A· v4
N/A· v3
5.0 MEDIUM· v2
IIS 4.0 and Site Server 3.0 allow remote attackers to read source code for ASP files if the file is in a virtual directory whose name includes extensions such as .com, .exe, .sh, .cgi, or .dll, aka the "Virtual Directory...Show more
IIS 4.0 and Site Server 3.0 allow remote attackers to read source code for ASP files if the file is in a virtual directory whose name includes extensions such as .com, .exe, .sh, .cgi, or .dll, aka the "Virtual Directory Naming" vulnerability.Show less
1Microsoft
3Internet Information Server
Site ServerSite Server Commerce
Apr 16, 2026
Dec 21, 1999
N/A· v4
N/A· v3
6.4 MEDIUM· v2
IIS does not properly canonicalize URLs, potentially allowing remote attackers to bypass access restrictions in third-party software via escape characters, aka the "Escape Character Parsing" vulnerability.
1Microsoft
2Commercial Internet System
Internet Information Server
Apr 16, 2026
Sep 23, 1999
N/A· v4
N/A· v3
7.5 HIGH· v2
IIS FTP servers may allow a remote attacker to read or delete files on the server, even if they have "No Access" permissions.
1Microsoft
1Internet Information Server
Apr 16, 2026
Aug 19, 1999
N/A· v4
N/A· v3
7.1 HIGH· v2
When IIS is run with a default language of Chinese, Korean, or Japanese, it allows a remote attacker to view the source code of certain files, a.k.a. "Double Byte Code Page".
1Microsoft
3Commercial Internet System
Internet Information ServerSite Server
Apr 16, 2026
Aug 11, 1999
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Denial of service in IIS 4.0 via a flood of HTTP requests with malformed headers.