CVE-2000-1217: n/a vulnerability

CVE-2000-1217: Microsoft Windows 2000 before Service Pack 2 (SP2), when running in a non-Windows 2000 domain and using NTL...

Microsoft Windows 2000 before Service Pack 2 (SP2), when running in a non-Windows 2000 domain and using NTLM authentication, and when credentials of an account are locally cached, allows local users to bypass account lockout policies and make an unlimited number of login attempts, aka the "Domain Account Lockout" vulnerability.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 8, 2024, 05:45 UTC (UTC+00:00)

Security readout for executives and security teams

This old Windows 2000 flaw weakens account lockout protections. On affected systems, someone with local access could keep trying passwords against cached domain credentials without triggering the intended lockout. It matters mainly where unsupported Windows 2000 machines still exist in legacy domain environments. Exposure is likely limited to legacy Windows 2000 pre-SP2 systems in non-Windows 2000 domains using NTLM and cached credentials. Modern environments should have no exposure unless they retain unsupported Windows 2000 hosts for operational or embedded purposes. Treat this as a legacy-risk finding. It is not broadly urgent for modern estates, but any remaining Windows 2000 systems should be prioritized for retirement, isolation, or compensating controls because they are unsupported and can undermine account lockout policy. Mitigation focus: Upgrade affected Windows 2000 systems to SP2 or later where still possible.; Retire or isolate unsupported Windows 2000 systems from production networks.; Review Microsoft MS00-089 and current vendor guidance for legacy remediation..

Prepared: Jun 29, 2026, 22:30 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Apr 21, 2005, 04:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors

0Timeline events

0ADP providers

3Source links

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
MS00-089CVE reference · vendor-advisory, x_refsource_MS
win2k-brute-force(5585)CVE reference · vdb-entry, x_refsource_XF

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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