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CISA Known Exploited Vulnerabilities

Microsoft SMBv3 Remote Code Execution Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV
2022-02-10
Remediation due
2022-08-10
Ransomware
Known use

Required action
Apply updates per vendor instructions.

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2020-0796

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'.

Severity

CVSS 3.1 · CISA10 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
SSVC · CISA-ADP
Exploitationactive
Automatableyes
Technical impacttotal

Affected Products

VendorProductAffected versions
MicrosoftWindows 10 Version 1903 for 32-bit Systems
unspecified
MicrosoftWindows 10 Version 1903 for x64-based Systems
unspecified
MicrosoftWindows 10 Version 1903 for ARM64-based Systems
unspecified
MicrosoftWindows Server, version 1903 (Server Core installation)
unspecified
MicrosoftWindows 10 Version 1909 for 32-bit Systems
unspecified
MicrosoftWindows 10 Version 1909 for x64-based Systems
unspecified
MicrosoftWindows 10 Version 1909 for ARM64-based Systems
unspecified
MicrosoftWindows Server, version 1909 (Server Core installation)
unspecified

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.