← Vulnerability feed

Vulnerability record · CVE-1999-0909 · published 20 September 1999

CVE-1999-0909: Microsoft terminal server permissions and access controls vulnerability

Microsoft · Terminal Server

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.

7.5 CVSS 2.0 High EPSS 12% · top 4.0% CWE-264 · Permissions and access controls
7.5CVSS 2.0 base score
12%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

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.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
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

Track CVE-1999-0909 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2004-0210Microsoft Windows POSIX component buffer overflow allows local code executionThe POSIX subsystem in Windows NT and Windows 2000 contains a classic buffer overflow (CWE-120) that can be triggered by local users through crafted …KEVEPSS 7.2%analysed7.8CVE-2002-0367Windows NT/2000 smss.exe debugging subsystem privilege escalationThe smss.exe debugging subsystem in Windows NT and Windows 2000 fails to properly authenticate programs that connect to other programs, allowing a lo…KEVEPSS 4.9%analysed10.0CVE-2006-4465Microsoft terminal server vulnerabilityMicrosoft Terminal Server, when running an application session with the "Start program at logon" and "Override settings from user profile and Client …EPSS 9.4%10.0CVE-2005-0059Microsoft Windows Message Queuing buffer overflow allows remote code executionThe Message Queuing component in Microsoft Windows 2000 and Windows XP SP1 contains a buffer overflow that can be triggered by a crafted message. A r…EPSS 73%analysed10.0CVE-2005-0050Windows License Logging Service buffer overflow via unvalidated message lengthThe License Logging service in Windows NT Server, Windows 2000 Server and Windows Server 2003 fails to validate the length of messages, producing an …EPSS 47%analysed10.0CVE-2004-0571Microsoft windows 2000 vulnerabilityMicrosoft Word for Windows 6.0 Converter does not properly validate certain data lengths, which allows remote attackers to execute arbitrary code via…EPSS 31%10.0CVE-2004-0901Microsoft windows 2000 vulnerabilityMicrosoft Word for Windows 6.0 Converter (MSWRD632.WPC), as used in WordPad, does not properly validate certain data lengths, which allows remote att…EPSS 32%10.0CVE-2004-0568Microsoft windows 2000 vulnerabilityHyperTerminal application for Windows NT 4.0, Windows 2000, Windows XP, and Windows Server 2003 does not properly validate the length of a value that…EPSS 35%

Source: NIST National Vulnerability Database (record CVE-1999-0909), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.