VULNERABILITY INTELLIGENCE

CVE-1999-1222

CVSS score5 MEDIUM
EPSS probability5.02%
CISA KEVNot currently listed
Published1999-12-31
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:P

Description

Netbt.sys in Windows NT 4.0 allows remote malicious DNS servers to cause a denial of service (crash) by returning 0.0.0.0 as the IP address for a DNS host name lookup.

Primary references