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CVE-2000-1149

high

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 "Termin…

Vendor / product: Microsoft — windows nt

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.

CVSS
7.5
7.5 (CVSS v2.0)
AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity source: NVD CVSS v2.0 (nvd@nist.gov)
Timeline (UTC)
Published: 2001-01-09 05:00
Modified: 2026-11-12 00:10
NVD status: Modified
Last synced 1 day ago
Verified against the source API 2026-11-12 00:12 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

microsoft / windows_nt terminal_server

Weakness classification (CWE)

NVD-CWE-Other

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

Vendor advisory: http://www.securityfocus.com/archive/1/143991
Vendor advisory: http://www.securityfocus.com/bid/1924
Vendor advisory: http://www.securityfocus.com/archive/1/143991
Vendor advisory: http://www.securityfocus.com/bid/1924
Patch / mitigation: http://www.securityfocus.com/archive/1/143991
Patch / mitigation: http://www.securityfocus.com/bid/1924
Patch / mitigation: http://www.securityfocus.com/archive/1/143991
Patch / mitigation: http://www.securityfocus.com/bid/1924

References

Data sources

NVD CVE API 2.0 — fetched 2026-11-12 00:12 UTC · record ↗

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