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Vulnerability · Published Feb 14, 2023 · Assigned by microsoft

CVE-2023-21820Windows Distributed File System (DFS) Remote Code Execution Vulnerability

High 7.4

In plain English

A high-severity security flaw in Windows 10 Version 1507 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities).

Severity (CVSS 3.1)7.4High
Exploit odds (30 days)0.6%top 49.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Windows Distributed File System (DFS) Remote Code Execution Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1507 10.0.10240.0 – before 10.0.10240.19747
Microsoft Windows 10 Version 1607 10.0.14393.0 – before 10.0.14393.5717
Microsoft Windows 10 Version 1809 10.0.17763.0 – before 10.0.17763.4010
Microsoft Windows 10 Version 1809 10.0.0 – before 10.0.17763.4010
Microsoft Windows 10 Version 20H2 10.0.0 – before 10.0.19042.2604
Microsoft Windows 10 Version 21H2 10.0.19043.0 – before 10.0.19044.2604
Microsoft Windows 10 Version 22H2 10.0.19045.0 – before 10.0.19045.2604
Microsoft Windows 11 version 21H2 10.0.0 – before 10.0.22621.1574
Microsoft Windows 11 version 22H2 10.0.22621.0 – before 10.0.22621.1265
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 – before 6.0.6003.21915
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 – before 6.1.7601.26366
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 – before 6.1.7601.26366
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 – before 6.0.6003.21915
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 – before 6.0.6003.21915
Microsoft Windows Server 2012 6.2.9200.0 – before 6.2.9200.24116
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 – before 6.2.9200.24116
Microsoft Windows Server 2012 R2 6.3.9600.0 – before 6.3.9600.20821
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 – before 6.3.9600.20821
Microsoft Windows Server 2016 10.0.14393.0 – before 10.0.14393.5717
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 – before 10.0.14393.5717
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.4010
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.4010
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.1547

Weakness: CWE-126 · Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References