{"id":"CVE-1999-1291","aliases":["EUVD-1999-1272","GHSA-6j2v-9wjh-8j7w"],"status":"published","title":"TCP/IP implementation in Microsoft Windows 95, Windows NT 4.0, and possibly others, allows remote...","description":"TCP/IP implementation in Microsoft Windows 95, Windows NT 4.0, and possibly others, allows remote attackers to reset connections by forcing a reset (RST) via a PSH ACK or other means, obtaining the target's last sequence number from the resulting packet, then spoofing a reset to the target.","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":"2026-11-09","score":0.13344,"percentile":0.96436,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"1998-10-05T04:00:00Z","modified":"2026-06-16T21:50:07Z","products":[{"vendor":"microsoft","product":"windows_95"},{"vendor":"microsoft","product":"windows_nt"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/1383","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/10789","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-1999-1291"},{"url":"https://github.com/advisories/GHSA-6j2v-9wjh-8j7w"}],"sources":{"cve":[{"id":"CVE-1999-1291","description":"TCP/IP implementation in Microsoft Windows 95, Windows NT 4.0, and possibly others, allows remote attackers to reset connections by forcing a reset (RST) via a PSH ACK or other means, obtaining the target's last sequence number from the resulting packet, then spoofing a reset to the target.","status":"published","published":"2001-09-12T04:00:00Z","modified":"2024-08-01T17:11:01.969Z","updated_at":"2026-11-02T14:33:53.60785Z"}],"euvd":[{"id":"EUVD-1999-1272","description":"TCP/IP implementation in Microsoft Windows 95, Windows NT 4.0, and possibly others, allows remote attackers to reset connections by forcing a reset (RST) via a PSH ACK or other means, obtaining the target's last sequence number from the resulting packet, then spoofing a reset to the target.","status":"published","published":"2001-09-12T04:00:00Z","modified":"2024-08-01T17:11:01Z","updated_at":"2026-11-03T03:50:43.346493Z"}],"ghsa":[{"id":"GHSA-6j2v-9wjh-8j7w","title":"TCP/IP implementation in Microsoft Windows 95, Windows NT 4.0, and possibly others, allows remote...","description":"TCP/IP implementation in Microsoft Windows 95, Windows NT 4.0, and possibly others, allows remote attackers to reset connections by forcing a reset (RST) via a PSH ACK or other means, obtaining the target's last sequence number from the resulting packet, then spoofing a reset to the target.","status":"published","published":"2022-04-30T18:12:11Z","modified":"2023-01-30T05:04:43Z","updated_at":"2026-11-02T14:47:06.883845Z"}],"nvd":[{"id":"CVE-1999-1291","description":"TCP/IP implementation in Microsoft Windows 95, Windows NT 4.0, and possibly others, allows remote attackers to reset connections by forcing a reset (RST) via a PSH ACK or other means, obtaining the target's last sequence number from the resulting packet, then spoofing a reset to the target.","status":"published","published":"1998-10-05T04:00:00Z","modified":"2026-06-16T21:50:07.433Z","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":"2026-11-02T13:58:30.236077Z"}]}}