CVE-2020-1284
A denial of service vulnerability exists in the way that the Microsoft Server Message Block 3.1.1...
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'.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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'.
- Record
CVE-2020-1284- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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'.
- Record
CVE-2020-1284- Updated
- 2026-11-02
EUVDEUVD-2020-12163 No score
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'.
- Record
EUVD-2020-12163- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qjv9-w8r4-f5vx No score
A denial of service vulnerability exists in the way that the Microsoft Server Message Block 3.1.1...
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'.
- Record
GHSA-qjv9-w8r4-f5vx- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-1284 is a medium vulnerability (CVSS 6.5) in Microsoft Windows 10 Version 2004 For 32-bit Systems, published June 9, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 7.05%, the 94th percentile. No source names a fixed version.