Microsoft: >> Internet Information Server >> 4.0 Security Vulnerabilities
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.
CVSS Score
5.0
EPSS Score
0.181
Published
1999-12-31
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.
CVSS Score
5.0
EPSS Score
0.181
Published
1999-12-31
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.
CVSS Score
7.5
EPSS Score
0.103
Published
1999-12-31
The Winmsdp.exe sample file in IIS 4.0 and Site Server 3.0 allows remote attackers to read arbitrary files.
CVSS Score
5.0
EPSS Score
0.356
Published
1999-12-31
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.
CVSS Score
7.5
EPSS Score
0.135
Published
1999-12-31
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.
CVSS Score
6.4
EPSS Score
0.12
Published
1999-12-21
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.
CVSS Score
5.0
EPSS Score
0.46
Published
1999-12-21
IIS FTP servers may allow a remote attacker to read or delete files on the server, even if they have "No Access" permissions.
CVSS Score
7.5
EPSS Score
0.013
Published
1999-09-23
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".
CVSS Score
7.1
EPSS Score
0.385
Published
1999-08-19
Race condition in the SSL ISAPI filter in IIS and other servers may leak information in plaintext.
CVSS Score
2.6
EPSS Score
0.055
Published
1999-08-11