Security readout for executives and security teams
A late-1990s flaw in the Windows NT Remote Procedure Call service, known as "Snork," lets an attacker send forged RPC packets that cause two NT servers to bounce error messages back and forth. The resulting loop can consume CPU and network bandwidth, degrading or disabling affected systems. It is a denial-of-service issue, not a data breach, and applies to legacy Windows NT environments. Exposure is limited to legacy Windows NT 4.0 (and prior) hosts still running the RPC service on UDP ports reachable from untrusted networks. Modern Windows Server and desktop editions are not in scope. Any surviving NT systems in industrial, lab, or archival environments without the MS98-014 patch remain theoretically vulnerable, though such systems are rare in supported production estates today. Low priority for modern estates. Only relevant if the business still operates unsupported Windows NT systems; in that case treat as part of a legacy-decommissioning workstream rather than an emergency patch cycle. No customer data exposure risk is indicated by the sources. Mitigation focus: Apply the Microsoft fix referenced in MS98-014 / KB Q193233 on any surviving Windows NT hosts.; Block or filter inbound UDP traffic to RPC endpoint mapper ports (notably UDP 135) at the network perimeter.; Retire remaining Windows NT systems and migrate services to a supported Windows Server release..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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CVE-1999-0969 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
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- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- MS98-014CVE reference · vendor-advisory, x_refsource_MS
Products and packages named in the record
CWE details
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