What’s Vulnerable › Vulnerabilities

CVE-1999-0909

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 12.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2000-01-04 · updated 2026-06-16
• Weakness: CWE-264

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.

Affected products

• Microsoft Terminal Server: all versions
• Microsoft Windows 95: 0a, 0b
• Microsoft Windows 98Se: all versions
• Microsoft Windows Nt: 4.0, 4.0-sp1, 4.0-sp2, 4.0-sp3, 4.0-sp4, 4.0-sp5

References

• http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ238453
• http://www.securityfocus.com/bid/646
• 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
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-038

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