CVE-1999-1087

N/A Unknown
Published: December 31, 1999 Modified: April 16, 2026
View on NVD

Description

Internet Explorer 4 treats a 32-bit number ("dotless IP address") in the a URL as the hostname instead of an IP address, which causes IE to apply Local Intranet Zone settings to the resulting web page, allowing remote malicious web servers to conduct unauthorized activities by using URLs that contain the dotless IP address for their server.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://support.microsoft.com/support/kb/articles/q168/6/17.asp
Source: cve@mitre.org
Patch Vendor Advisory
http://www.microsoft.com/Windows/Ie/security/dotless.asp
Source: cve@mitre.org
http://www.osvdb.org/7828
Source: cve@mitre.org
https://docs.microsoft.com/en-us/security-updates/securitybulletins/1998/ms98-016
Source: cve@mitre.org
https://exchange.xforce.ibmcloud.com/vulnerabilities/2209
Source: cve@mitre.org
http://support.microsoft.com/support/kb/articles/q168/6/17.asp
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
http://www.microsoft.com/Windows/Ie/security/dotless.asp
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.osvdb.org/7828
Source: af854a3a-2127-422b-91ae-364da2661108
https://docs.microsoft.com/en-us/security-updates/securitybulletins/1998/ms98-016
Source: af854a3a-2127-422b-91ae-364da2661108
https://exchange.xforce.ibmcloud.com/vulnerabilities/2209
Source: af854a3a-2127-422b-91ae-364da2661108

10 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
9.0%
93th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

microsoft