{"id":"CVE-2011-2013","aliases":["EUVD-2011-2007","GHSA-q323-hhw8-233j"],"status":"published","title":"Integer overflow in the TCP/IP implementation in Microsoft Windows Vista SP2, Windows Server 2008...","description":"Integer overflow in the TCP/IP implementation in Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code by sending a sequence of crafted UDP packets to a closed port, aka \"Reference Counter Overflow Vulnerability.\"","severity":{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.32335,"percentile":0.98336,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-189","CWE-190"],"published":"2011-11-08T21:00:00Z","modified":"2026-06-16T23:30:36Z","exploits":[{"source":"exploitdb","id":"EDB-36285","title":"Microsoft Windows - TCP/IP Stack Reference Counter Integer Overflow (MS11-083)","type":"dos","platform":"windows","date":"2011-11-08","verified":true,"url":"https://www.exploit-db.com/exploits/36285"}],"products":[{"vendor":"microsoft","product":"windows_7"},{"vendor":"microsoft","product":"windows_server_2008"},{"vendor":"microsoft","product":"windows_vista"}],"references":[{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-083","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"http://www.securitytracker.com/id?1026290","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13877","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-2013"},{"url":"https://github.com/advisories/GHSA-q323-hhw8-233j"}],"sources":{"cve":[{"id":"CVE-2011-2013","description":"Integer overflow in the TCP/IP implementation in Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code by sending a sequence of crafted UDP packets to a closed port, aka \"Reference Counter Overflow Vulnerability.\"","status":"published","published":"2011-11-08T21:00:00Z","modified":"2024-10-17T19:27:00.856Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:35:36.603688Z"}],"euvd":[{"id":"EUVD-2011-2007","description":"Integer overflow in the TCP/IP implementation in Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code by sending a sequence of crafted UDP packets to a closed port, aka \"Reference Counter Overflow Vulnerability.\"","status":"published","published":"2011-11-08T21:00:00Z","modified":"2024-10-17T19:27:00Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:27:33.264541Z"}],"ghsa":[{"id":"GHSA-q323-hhw8-233j","title":"Integer overflow in the TCP/IP implementation in Microsoft Windows Vista SP2, Windows Server 2008...","description":"Integer overflow in the TCP/IP implementation in Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code by sending a sequence of crafted UDP packets to a closed port, aka \"Reference Counter Overflow Vulnerability.\"","status":"published","published":"2022-05-13T01:15:35Z","modified":"2024-10-17T21:32:31Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:58:32.565259Z"}],"nvd":[{"id":"CVE-2011-2013","description":"Integer overflow in the TCP/IP implementation in Microsoft Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code by sending a sequence of crafted UDP packets to a closed port, aka \"Reference Counter Overflow Vulnerability.\"","status":"published","published":"2011-11-08T21:55:01.207Z","modified":"2026-06-16T23:30:36.167Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-189","CWE-190"],"updated_at":"2026-11-02T14:02:10.769216Z"}]}}