CVE-2020-1284

moderate-risk
Published 2020-06-09

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'.

Do I need to act?

!
16.0% chance of exploitation in next 30 days
EPSS score — higher than 84% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10 Medium
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Microsoft

References (2)

Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1284
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1284
44
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 13/34 · Low
Exposure 7/34 · Low