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TI-2001-00528 Aliases CVE-2001-0543GHSA-3hq4-xvv4-32rv

Memory leak in NNTP service in Windows NT 4.0 and Windows 2000 allows remote attackers to…

Priority MEDIUM 41CWE-401Published · Updated

Key facts

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

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-401.

Summary

Memory leak in NNTP service in Windows NT 4.0 and Windows 2000 allows remote attackers to cause a denial of service (memory exhaustion) via a large number of malformed posts.

Why it matters now

EPSS 0.18837 97th 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:exchange_server:2000:-:*:*:*:*:*:*2000VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:*all versionsVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_nt:4.0:*:*:*:*:*:*:*4.0VulnerableMicrosoft
  • cpe:2.3:a:microsoft:exchange_server:2000:-:*:*:*:*:*:* Versions 2000 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

  1. 2026-10-02 Threatist record created from CVE-2001-0543
  2. 2026-10-03 Alias added: GHSA-3hq4-xvv4-32rv

References

Patch 1

Advisory 1

  • TI-2024-14170 Microsoft Exchange Server Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-19610 Microsoft Exchange Server Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-13547 Microsoft Exchange Server Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-13502 Microsoft Exchange Server Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-08465 Microsoft Exchange Server Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-07929 Microsoft Exchange Server Remote Code Execution Vulnerability KEVCVSS 3.1HIGH 8.8
See all 258 →

Sources

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