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CVE-1999-1291 — MEDIUM severity vulnerability (TCP/IP implementation in Microsoft Windows 95, Windows NT 4.)

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.

CVE IDCVE-1999-1291
SeverityMEDIUM
CVSS score5.0
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P
CWENVD-CWE-Other
StatusModified
Published1998-10-05
Last modified2026-04-16
DescriptionTCP/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.
SourceNIST National Vulnerability Database

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