CVE-1999-1087

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

31/12/1999

Last modified:

03/04/2025

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.

Impact

Vector 2.0

AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0

7.50

Severity 2.0

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:microsoft:internet_explorer:4.0:::::::*
cpe:2.3:a:microsoft:internet_explorer:4.0.1:::::::*
cpe:2.3:a:microsoft:internet_explorer:4.0.1:sp1::::::

To consult the complete list of CPE names with products and versions, see this page

CVE-1999-1087

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools