CVE-1999-1127

high-risk
Published 1999-12-31

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.

Do I need to act?

!
30.0% chance of exploitation in next 30 days
EPSS score — higher than 70% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (4)

Affected Vendors

51
/ 100
high-risk
Severity 26/34 · High
Exploitability 15/34 · Moderate
Exposure 10/34 · Low