CVE-2000-1149: n/a vulnerability

CVE-2000-1149: Buffer overflow in RegAPI.DLL used by Windows NT 4.0 Terminal Server allows remote attackers to execute arb...

Buffer overflow in RegAPI.DLL used by Windows NT 4.0 Terminal Server allows remote attackers to execute arbitrary commands via a long username, aka the "Terminal Server Login Buffer Overflow" vulnerability.

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

Security readout for executives and security teams

CVE-2000-1149 is a legacy remote code execution issue in Windows NT 4.0 Terminal Server. A long username could trigger a buffer overflow in RegAPI.DLL during Terminal Server login handling, allowing arbitrary commands. Business urgency depends on whether any obsolete NT Terminal Server systems remain reachable. Exposure is likely limited to legacy Windows NT 4.0 Terminal Server deployments, lab systems, forgotten virtual machines, or externally reachable migration remnants. The bundle does not identify modern Windows versions as affected. Prioritize as high only if legacy Windows NT 4.0 Terminal Server exists. If no such systems remain, business risk is historical. Any exposed instance should be isolated or retired because the issue allows remote command execution and the platform is obsolete. Mitigation focus: Review Microsoft MS00-087 and apply the vendor guidance where still applicable.; Retire or isolate any Windows NT 4.0 Terminal Server systems.; Remove direct internet exposure from legacy Terminal Server services..

Prepared: Jul 1, 2026, 09:50 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

Conservative CVE-to-ATT&CK context

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jan 22, 2001, 05:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

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
nt-termserv-gina-bo(5489)CVE reference · vdb-entry, x_refsource_XF
MS00-087CVE reference · vendor-advisory, x_refsource_MS

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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