{"id":"CVE-1999-1127","aliases":["EUVD-1999-1108","GHSA-fjjp-8g8w-55f2"],"status":"published","title":"Windows NT 4.0 does not properly shut down invalid named pipe RPC connections, which allows...","description":"Windows NT 4.0 does not properly shut down invalid named pipe RPC connections, which allows remote attackers to cause a denial of service (resource exhaustion) via a series of connections containing malformed data, aka the \"Named Pipes Over RPC\" vulnerability.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.17745,"percentile":0.97185,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-772"],"published":"1999-12-31T05:00:00Z","modified":"2026-06-16T21:49:46Z","products":[{"vendor":"microsoft","product":"windows_nt"}],"references":[{"url":"http://support.microsoft.com/support/kb/articles/Q195/7/33.asp","tags":["vendor-advisory","x_refsource_MSKB","x_transferred","Broken Link","Patch","Vendor Advisory"]},{"url":"http://www.iss.net/security_center/static/523.php","tags":["vdb-entry","x_refsource_XF","x_transferred","Broken Link"]},{"url":"https://docs.microsoft.com/en-us/security-updates/securitybulletins/1998/ms98-017","tags":["vendor-advisory","x_refsource_MS","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-1999-1127"},{"url":"https://github.com/advisories/GHSA-fjjp-8g8w-55f2"}],"sources":{"cve":[{"id":"CVE-1999-1127","description":"Windows NT 4.0 does not properly shut down invalid named pipe RPC connections, which allows remote attackers to cause a denial of service (resource exhaustion) via a series of connections containing malformed data, aka the \"Named Pipes Over RPC\" vulnerability.","status":"published","published":"2002-03-09T05:00:00Z","modified":"2024-08-01T17:02:53.75Z","updated_at":"2026-11-02T14:33:53.295018Z"}],"euvd":[{"id":"EUVD-1999-1108","description":"Windows NT 4.0 does not properly shut down invalid named pipe RPC connections, which allows remote attackers to cause a denial of service (resource exhaustion) via a series of connections containing malformed data, aka the \"Named Pipes Over RPC\" vulnerability.","status":"published","published":"2002-03-09T05:00:00Z","modified":"2024-08-01T17:02:53Z","updated_at":"2026-11-03T03:50:43.777799Z"}],"ghsa":[{"id":"GHSA-fjjp-8g8w-55f2","title":"Windows NT 4.0 does not properly shut down invalid named pipe RPC connections, which allows...","description":"Windows NT 4.0 does not properly shut down invalid named pipe RPC connections, which allows remote attackers to cause a denial of service (resource exhaustion) via a series of connections containing malformed data, aka the \"Named Pipes Over RPC\" vulnerability.","status":"published","published":"2022-04-30T18:11:52Z","modified":"2024-02-18T05:07:31Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-772"],"updated_at":"2026-11-02T14:55:37.87337Z"}],"nvd":[{"id":"CVE-1999-1127","description":"Windows NT 4.0 does not properly shut down invalid named pipe RPC connections, which allows remote attackers to cause a denial of service (resource exhaustion) via a series of connections containing malformed data, aka the \"Named Pipes Over RPC\" vulnerability.","status":"published","published":"1999-12-31T05:00:00Z","modified":"2026-06-16T21:49:46.667Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-772"],"updated_at":"2026-11-02T13:58:51.654586Z"}]}}