TI-2000-00331 Aliases CVE-2000-0331 GHSA-qjvx-wh8v-928g

Buffer overflow in Microsoft command processor (CMD.EXE) for Windows NT and Windows 2000…

LOW 33Published 2000-07-12 · Updated 2024-08-08

Key facts

Attack vector: Network
Privileges required: None
User interaction: — Not recorded in CVSS 2.0
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · None · Partial
Fix status: No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.07452 94th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:microsoft:terminal_server::::::::	all versions	Vulnerable	Microsoft
cpe:2.3:o:microsoft:windows_2000::::::::	all versions	Vulnerable	Microsoft
cpe:2.3:o:microsoft:windows_nt:4.0:::::::*	4.0	Vulnerable	Microsoft

cpe:2.3:a:microsoft:terminal_server:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
cpe:2.3:o:microsoft:windows_nt:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2000-0331
2026-10-03 Alias added: GHSA-qjvx-wh8v-928g

References

Advisory 1

MS00-027

Other 1

20000421 CMD.EXE overflow (CISADV000420)

TI-2001-00525 Memory leak in Terminal servers in Windows NT and Windows 2000 allows remote attackers to… CVSS 2.0MEDIUM 5.0
TI-2000-00305 Windows 95, Windows 98, Windows 2000, Windows NT 4.0, and Terminal Server systems allow a… CVSS 2.0HIGH 7.8
TI-2006-04313 Microsoft Terminal Server, when running an application session with the "Start program at… CVSS 2.0HIGH 10.0
TI-1999-00859 Multihomed Windows systems allow a remote attacker to bypass IP source routing… CVSS 2.0HIGH 7.5
TI-2007-02505 The Terminal Server in Microsoft Windows 2003 Server, when using TLS, allows remote… CVSS 2.0HIGH 7.5
TI-1999-00386 The cryptographic challenge of SMB authentication in Windows 95 and Windows 98 can be… CVSS 2.0HIGH 7.5

See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences