CVE-1999-0909

Name: CVE-1999-0909
Creator: NVD / NIST
Published: 1999-09-20T04:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 12.01%

Last modified Jun 16, 2026

CVE-1999-0909 is a vulnerability of currently unknown severity. Multihomed Windows systems allow a remote attacker to bypass IP source routing restrictions via a malformed packet with IP options, aka the "Spoofed Route Pointer" vulnerability.. EPSS estimates a 12.01% chance of exploitation in the next 30 days.

Description

Multihomed Windows systems allow a remote attacker to bypass IP source routing restrictions via a malformed packet with IP options, aka the "Spoofed Route Pointer" vulnerability.

Metrics

EPSS Probability

12.01%

95.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-264

Affected Software

Vendor	Product	Versions
Microsoft	Terminal Server	All versions
Microsoft	Windows 95	0a
Microsoft	Windows 95	0b
Microsoft	Windows 98se	All versions
Microsoft	Windows Nt	4.0

References

Timeline

Published: Sep 20, 1999
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-1999-0909?

Multihomed Windows systems allow a remote attacker to bypass IP source routing restrictions via a malformed packet with IP options, aka the "Spoofed Route Pointer" vulnerability.

How severe is CVE-1999-0909?

Severity scoring for CVE-1999-0909 is pending analysis. The EPSS model estimates a 12.01% probability of exploitation in the next 30 days.

How do I fix CVE-1999-0909?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-1999-0909?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST