CVE-2000-0331

Medium CVSS 5

Published 2000-04-20 · last changed 2026-06-16

The fix

We hold no Microsoft remediation data for CVE-2000-0331, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

Buffer overflow in Microsoft command processor (CMD.EXE) for Windows NT and Windows 2000 allows a local user to cause a denial of service via a long environment variable, aka the "Malformed Environment Variable" vulnerability.

Sources

NVD record for CVE-2000-0331

CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P