CVE-1999-1127

HIGH

Windows NT 4.0 - Denial of Service via Malformed Named Pipe RPC Connections

Title source: llm
STIX 2.1

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.

References (3)

Core 3
Core References
Broken Link, Patch, Vendor Advisory vendor-advisory x_refsource_mskb
http://support.microsoft.com/support/kb/articles/Q195/7/33.asp
Broken Link vdb-entry x_refsource_xf
http://www.iss.net/security_center/static/523.php
Patch, Vendor Advisory vendor-advisory x_refsource_ms
https://docs.microsoft.com/en-us/security-updates/securitybulletins/1998/ms98-017

Scores

CVSS v3 7.5
EPSS 0.1508
EPSS Percentile 96.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-772
Status published
Products (1)
microsoft/windows_nt 4.0 (4 CPE variants)
Published Dec 31, 1999
Tracked Since Feb 18, 2026