CVE-1999-1222 — MEDIUM severity vulnerability (Netbt.sys in Windows NT 4.0 allows remote malicious DNS serv)
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.
| CVE ID | CVE-1999-1222 |
|---|---|
| Severity | MEDIUM |
| CVSS score | 5.0 |
| CVSS vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| CWE | NVD-CWE-Other |
| Status | Modified |
| Published | 1999-12-31 |
| Last modified | 2026-04-16 |
| 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. |
| Source | NIST National Vulnerability Database |
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