CVE-2020-0796
CriticalActively exploited (CISA KEV)Known to be used in ransomware campaigns
Description
A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Remote Code Execution Vulnerability'.
SeverityCritical
CVSS10.0
Exploit probability—
Product
Microsoft SMBv3
PublishedMar 12, 2020
First seenMar 12, 2020
Added to KEVFeb 10, 2022
Weakness typeCWE-119Memory buffer bounds error
How to fix
CISA required action
Apply updates per vendor instructions.
CISA due date: Aug 10, 2022Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft windows_10_1903 | No range specified | — |
| microsoft windows_10_1909 | No range specified | — |
| microsoft windows_server_1903 | No range specified | — |
| microsoft windows_server_1909 | No range specified | — |
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