Vulnerability · Published Jun 9, 2020 · Assigned by microsoft

CVE-2020-1301

High 8.8

In plain English

A high-severity security flaw in Windows from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 44.0% (higher than 99% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS NVD)8.8High
Exploit odds (30 days)44.0%top 1.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC

Official description

A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 1.0 (SMBv1) server handles certain requests, aka 'Windows SMB Remote Code Execution Vulnerability'.

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1803 for 32-bit Systems10 Version 1803 for x64-based Systems10 Version 1803 for ARM64-based Systems10 Version 1809 for 32-bit Systems10 Version 1809 for x64-based Systems10 Version 1809 for ARM64-based Systems10 Version 1709 for 32-bit Systems10 Version 1709 for x64-based Systems
Microsoft Windows Server version 1803 (Core Installation)20192019 (Core installation)20162016 (Core installation)2008 for 32-bit Systems Service Pack 22008 for 32-bit Systems Service Pack 2 (Core installation)2008 for Itanium-Based Systems Service Pack 2
Microsoft Windows 10 Version 1909 for 32-bit Systems unspecified
Microsoft Windows 10 Version 1909 for x64-based Systems unspecified
Microsoft Windows 10 Version 1909 for ARM64-based Systems unspecified
Microsoft Windows Server, version 1909 (Server Core installation) unspecified
Microsoft Windows 10 Version 1903 for 32-bit Systems unspecified
Microsoft Windows 10 Version 1903 for x64-based Systems unspecified
Microsoft Windows 10 Version 1903 for ARM64-based Systems unspecified
Microsoft Windows Server, version 1903 (Server Core installation) unspecified
Microsoft Windows 10 Version 2004 for x64-based Systems unspecified
Microsoft Windows Server, version 2004 (Server Core installation) unspecified
Microsoft Windows 10 Version 2004 for 32-bit Systems unspecified
Microsoft Windows 10 Version 2004 for ARM64-based Systems unspecified

References