TI-2020-01247 Aliases CVE-2020-1284 GHSA-qjv9-w8r4-f5vx

A denial of service vulnerability exists in the way that the Microsoft Server Message…

LOW 39Published 2020-06-09 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A denial of service vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Denial of Service Vulnerability'.

Why it matters now

EPSS 0.07049 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
Microsoft	Windows 10 Version 2004 for x64-based Systems	all versions	—	No fix listed	CNA
Microsoft	Windows Server, version 2004 (Server Core installation)	all versions	—	No fix listed	CNA
Microsoft	Windows 10 Version 2004 for ARM64-based Systems	all versions	—	No fix listed	CNA
Microsoft	Windows 10 Version 2004 for 32-bit Systems	all versions	—	No fix listed	CNA

Windows 10 Version 2004 for x64-based Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
Windows Server, version 2004 (Server Core installation) VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
Windows 10 Version 2004 for ARM64-based Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
Windows 10 Version 2004 for 32-bit Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:microsoft:windows_10:2004:::::::*	2004	Vulnerable	Microsoft
cpe:2.3:o:microsoft:windows_server_2016:2004:::::::*	2004	Vulnerable	Microsoft

cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:* Versions 2004 Vulnerable ·Microsoft
cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:* Versions 2004 Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-1284
2026-10-03 Alias added: GHSA-qjv9-w8r4-f5vx

References

Patch 1

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1284

TI-2015-02132 Buffer underflow in atmfd.dll in the Windows Adobe Type Manager Library in Microsoft… KEVCVSS 3.1HIGH 8.8
TI-2022-10056 Remote Procedure Call Runtime Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
TI-2022-06273 HTTP Protocol Stack Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
TI-2019-00906 Remote Desktop Services Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
TI-2022-15533 Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
TI-2015-01587 Mount Manager in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows… KEVCVSS 3.1MEDIUM 6.6

See all 2973 →

Sources

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