CVE-1999-1222
UnknownEPSS 4.65%
Last modified
CVE-1999-1222 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 4.65% chance of exploitation in the next 30 days.
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.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows Nt | 4.0 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-1999-1222?
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.
How severe is CVE-1999-1222?
Severity scoring for CVE-1999-1222 is pending analysis. The EPSS model estimates a 4.65% probability of exploitation in the next 30 days.
How do I fix CVE-1999-1222?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 1999
- CVE-1999-1190Buffer overflow in POP3 server of Admiral Systems EmailClub …
- CVE-1999-1195NAI VirusScan NT 4.0.2 does not properly modify the scan.dat…
- CVE-1999-1196Hummingbird Exceed X version 5 allows remote attackers to ca…
- CVE-1999-1201Windows 95 and Windows 98 systems, when configured with mult…
- CVE-1999-1203Multilink PPP for ISDN dialup users in Ascend before 4.6 all…
- CVE-1999-1206SystemSoft SystemWizard package in HP Pavilion PC with Windo…
- CVE-1999-1223IIS 3.0 allows remote attackers to cause a denial of service…
- CVE-1999-1226Netscape Communicator 4.7 and earlier allows remote attacker…
- CVE-1999-1227Ethereal allows local users to overwrite arbitrary files via…
- CVE-1999-1231ssh 2.0.12, and possibly other versions, allows valid user n…
- CVE-1999-1233IIS 4.0 does not properly restrict access for the initial se…
- CVE-1999-1234LSA (LSASS.EXE) in Windows NT 4.0 allows remote attackers to…
Are you affected by CVE-1999-1222?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST