Security readout for executives and security teams
An old flaw in Microsoft's NWLink networking component let attackers trigger a network-wide traffic flood. By sending crafted broadcast packets to the NMPI listener, an attacker on the local network could cause systems to endlessly rebroadcast, degrading or halting communications. This is a legacy Windows issue addressed by Microsoft in bulletin MS00-073 and is not relevant to modern environments unless legacy IPX/NWLink is still present. Extremely limited today. Exposure requires Windows systems still running the legacy NWLink IPX/SPX protocol stack with NMPI enabled and reachable from an untrusted local segment. Modern Windows versions removed NWLink years ago, so most enterprises have no exposure. Any residual risk sits in unmodernized industrial, retail, or lab environments still using IPX for legacy applications. Low priority for modern environments. Only relevant if legacy Windows systems using the discontinued NWLink IPX protocol are still deployed. Include in legacy-system decommissioning plans rather than emergency patch cycles. Mitigation focus: Apply Microsoft security bulletin MS00-073 on any legacy Windows NT/2000-era systems still in use.; Remove or disable the NWLink IPX/SPX protocol stack where it is not required.; Segment or firewall any remaining IPX-speaking hosts from untrusted networks..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2000-0980 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- 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
- win-nmpi-packet-dos(5357)CVE reference · vdb-entry, x_refsource_XF
- MS00-073CVE reference · vendor-advisory, x_refsource_MS
Products and packages named in the record
CWE details
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