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Commercial Internet System

commercial_internet_system

Vendor: Microsoft • 6 CVEs

CVEs (6)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
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
1Commercial Internet System
Apr 16, 2026
Jan 4, 2000
N/A· v4
N/A· v3
7.5 HIGH· v2
Microsoft Commercial Internet System (MCIS) IMAP server allows remote attackers to cause a denial of service via a malformed IMAP request.
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
3Commercial Internet System
Site ServerSite Server Commerce
Apr 16, 2026
Sep 10, 1999
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Microsoft Site Server and Commercial Internet System (MCIS) do not set an expiration for a cookie, which could then be cached by a proxy and inadvertently used by a different user.
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.
1Microsoft
4Commercial Internet System
Internet Information ServerSite Server+1 more
Apr 16, 2026
Aug 11, 1999
N/A· v4
N/A· v3
2.6 LOW· v2
Race condition in the SSL ISAPI filter in IIS and other servers may leak information in plaintext.