Detections
Analytics

CVE-1999-0909

critical

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.

References

https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-038

http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ238453

http://www.securityfocus.com/bid/646

Details

Source: Mitre, NVD

Published: 1999-09-20

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.05636