CVE-2020-1284 json
A denial of service vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests…
published 2020-06-09 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-12163
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 7.0%
- EPSS 7.0% chance of exploitation in 30 days, percentile 94%
- public exploits
- 0
- none known
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'.
Patch / fix
Exploit prediction
7.05% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Affected products
- Microsoft Windows 10 Version 2004 for x64-based Systems
- Microsoft Windows Server, version 2004 (Server Core installation)
- Microsoft Windows 10 Version 2004 for ARM64-based Systems
- Microsoft Windows 10 Version 2004 for 32-bit Systems
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2020-1284
patch, vendor-advisory
Sources
- CVE List CVE-2020-1284
- NVD CVE-2020-1284
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