How severe is CVE-1999-1361?

CVE-1999-1361 has a CVSS 2.0 base score of 6.4, rated medium severity.

Is CVE-1999-1361 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-1361?

CVE-1999-1361 primarily affects Microsoft Windows Nt. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-1999-1361?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-1999-1361 published?

CVE-1999-1361 was published on 1998-05-09 and last updated on 2026-06-16.

CVE-1999-1361

CVE-1999-1361 is a medium-severity vulnerability in Microsoft Windows Nt with a CVSS 2.0 base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 6.4)
EPSS exploit prediction: 9% (94th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Windows Nt
Published: 1998-05-09
Last modified: 2026-06-16

Description

Windows NT 3.51 and 4.0 running WINS (Windows Internet Name Service) allows remote attackers to cause a denial of service (resource exhaustion) via a flood of malformed packets, which causes the server to slow down and fill the event logs with error messages.

Frequently asked questions

What is CVE-1999-1361?: Windows NT 3.51 and 4.0 running WINS (Windows Internet Name Service) allows remote attackers to cause a denial of service (resource exhaustion) via a flood of malformed packets, which causes the server to slow down and fill the event logs with error messages.
How severe is CVE-1999-1361?: CVE-1999-1361 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-1999-1361 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-1361?: CVE-1999-1361 primarily affects Microsoft Windows Nt. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-1999-1361?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-1361 published?: CVE-1999-1361 was published on 1998-05-09 and last updated on 2026-06-16.

References

http://marc.info/?l=bugtraq&m=90221101925891&w=2

Affected products (2)

cpe:2.3:o:microsoft:windows_nt:3.5.1:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_nt:4.0:*:*:*:*:*:*:*

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