CVE-1999-1087
Last modified
CVE-1999-1087 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 6.28% chance of exploitation in the next 30 days.
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.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Internet Explorer | 4.0 |
| Microsoft | Internet Explorer | 4.0.1 |
References
- http://support.microsoft.com/support/kb/articles/q168/6/17.aspPatch, Vendor Advisory
- http://support.microsoft.com/support/kb/articles/q168/6/17.aspPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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