CVE-2011-1965 EXPLOIT
7.1
HIGH · CVSS 2.0 · EPSS 24.9% (pctl 98)
Patch early
A public exploit exists.
Description
Tcpip.sys in the TCP/IP stack in Microsoft Windows 7 Gold and SP1 and Windows Server 2008 R2 and R2 SP1 does not properly implement URL-based QoS, which allows remote attackers to cause a denial of service (reboot) via a crafted URL to a web server, aka "TCP/IP QOS Denial of Service Vulnerability."
Scoring
| CVSS | 7.1 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:M/Au:N/C:N/I:N/A:C |
| EPSS | 24.94% — more likely to be exploited than 98% of all CVEs |
| Weakness | CWE-399 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2011-08-10 |
| Last modified | 2026-06-16 |
Affected (2)
| Vendor | Product |
|---|---|
| microsoft | windows 7 |
| microsoft | windows server 2008 |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Microsoft Windows - TCP/IP Stack Denial of Service (MS11-064) | 2011-10-15 |
References
- http://securityreason.com/securityalert/8474
- http://www.us-cert.gov/cas/techalerts/TA11-221A.html
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-064
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12318
- http://securityreason.com/securityalert/8474
- http://www.us-cert.gov/cas/techalerts/TA11-221A.html
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-064
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12318
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