{"id":"CVE-2011-1965","aliases":["EUVD-2011-1959","GHSA-3953-5jrj-v3rr"],"status":"published","title":"Tcpip.sys in the TCP/IP stack in Microsoft Windows 7 Gold and SP1 and Windows Server 2008 R2 and...","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.\"","severity":{"version":"2.0","score":7.1,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.24935,"percentile":0.97927,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-399"],"published":"2011-08-10T21:16:00Z","modified":"2026-06-16T23:30:30Z","exploits":[{"source":"exploitdb","id":"EDB-17981","title":"Microsoft Windows - TCP/IP Stack Denial of Service (MS11-064)","type":"dos","platform":"windows","date":"2011-10-15","url":"https://www.exploit-db.com/exploits/17981"}],"products":[{"vendor":"microsoft","product":"windows_7"},{"vendor":"microsoft","product":"windows_server_2008"}],"references":[{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-064","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"http://securityreason.com/securityalert/8474","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12318","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://www.us-cert.gov/cas/techalerts/TA11-221A.html","tags":["third-party-advisory","x_refsource_CERT","x_transferred","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1965"},{"url":"https://github.com/advisories/GHSA-3953-5jrj-v3rr"}],"sources":{"cve":[{"id":"CVE-2011-1965","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.\"","status":"published","published":"2011-08-10T21:16:00Z","modified":"2024-08-06T22:46:00.809Z","updated_at":"2026-11-02T14:35:38.321377Z"}],"euvd":[{"id":"EUVD-2011-1959","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.\"","status":"published","published":"2011-08-10T21:16:00Z","modified":"2024-08-06T22:46:00Z","updated_at":"2026-11-03T01:55:54.666744Z"}],"ghsa":[{"id":"GHSA-3953-5jrj-v3rr","title":"Tcpip.sys in the TCP/IP stack in Microsoft Windows 7 Gold and SP1 and Windows Server 2008 R2 and...","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.\"","status":"published","published":"2022-05-13T01:15:32Z","modified":"2023-02-01T05:04:42Z","updated_at":"2026-11-02T14:50:10.892175Z"}],"nvd":[{"id":"CVE-2011-1965","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.\"","status":"published","published":"2011-08-10T21:55:01.657Z","modified":"2026-06-16T23:30:30.627Z","cvss":[{"version":"2.0","score":7.1,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:09.182398Z"}]}}