{"id":"CVE-2002-0650","aliases":["EUVD-2002-0644","GHSA-gcrv-9fp9-jhxr"],"status":"published","title":"The keep-alive mechanism for Microsoft SQL Server 2000 allows remote attackers to cause a denial...","description":"The keep-alive mechanism for Microsoft SQL Server 2000 allows remote attackers to cause a denial of service (bandwidth consumption) via a \"ping\" style packet to the Resolution Service (UDP port 1434) with a spoofed IP address of another SQL Server system, which causes the two servers to exchange packets in an infinite loop.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.18289,"percentile":0.97239,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2002-08-12T04:00:00Z","modified":"2026-06-16T21:57:51Z","products":[{"vendor":"microsoft","product":"sql_server"}],"references":[{"url":"http://marc.info/?l=ntbugtraq\u0026m=102760479902411\u0026w=2","tags":["mailing-list","x_refsource_NTBUGTRAQ","x_transferred"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/2002/ms02-039","tags":["vendor-advisory","x_refsource_MS","x_transferred"]},{"url":"http://marc.info/?l=bugtraq\u0026m=102760196931518\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://www.securityfocus.com/bid/5312","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.iss.net/security_center/static/9662.php","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.osvdb.org/878","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2002-0650"},{"url":"https://github.com/advisories/GHSA-gcrv-9fp9-jhxr"}],"sources":{"cve":[{"id":"CVE-2002-0650","description":"The keep-alive mechanism for Microsoft SQL Server 2000 allows remote attackers to cause a denial of service (bandwidth consumption) via a \"ping\" style packet to the Resolution Service (UDP port 1434) with a spoofed IP address of another SQL Server system, which causes the two servers to exchange packets in an infinite loop.","status":"published","published":"2003-04-02T05:00:00Z","modified":"2024-08-08T02:56:38.294Z","updated_at":"2026-11-02T14:33:55.642267Z"}],"euvd":[{"id":"EUVD-2002-0644","description":"The keep-alive mechanism for Microsoft SQL Server 2000 allows remote attackers to cause a denial of service (bandwidth consumption) via a \"ping\" style packet to the Resolution Service (UDP port 1434) with a spoofed IP address of another SQL Server system, which causes the two servers to exchange packets in an infinite loop.","status":"published","published":"2003-04-02T05:00:00Z","modified":"2024-08-08T02:56:38Z","updated_at":"2026-11-03T01:14:59.632362Z"}],"ghsa":[{"id":"GHSA-gcrv-9fp9-jhxr","title":"The keep-alive mechanism for Microsoft SQL Server 2000 allows remote attackers to cause a denial...","description":"The keep-alive mechanism for Microsoft SQL Server 2000 allows remote attackers to cause a denial of service (bandwidth consumption) via a \"ping\" style packet to the Resolution Service (UDP port 1434) with a spoofed IP address of another SQL Server system, which causes the two servers to exchange packets in an infinite loop.","status":"published","published":"2022-04-30T18:19:39Z","modified":"2023-01-30T05:05:32Z","updated_at":"2026-11-02T14:47:17.774737Z"}],"nvd":[{"id":"CVE-2002-0650","description":"The keep-alive mechanism for Microsoft SQL Server 2000 allows remote attackers to cause a denial of service (bandwidth consumption) via a \"ping\" style packet to the Resolution Service (UDP port 1434) with a spoofed IP address of another SQL Server system, which causes the two servers to exchange packets in an infinite loop.","status":"published","published":"2002-08-12T04:00:00Z","modified":"2026-06-16T21:57:51.84Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:42.220505Z"}]}}