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CVE

CVE-2023-21820

Windows Distributed File System (DFS) Remote Code Execution Vulnerability

Windows Distributed File System (DFS) Remote Code Execution Vulnerability.

HIGH · CVSS 7.4 EPSS 0.0616
Schedule remediation
  • EPSS percentile: top 9% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
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Weakness Classification

CWE-126Buffer Over-read
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Affected Products & Versions

13
microsoft windows 10< 10.0.10240.19747
microsoft windows 10 1607< 10.0.14393.5717
microsoft windows 10 1809< 10.0.17763.4010
microsoft windows 10 20h2< 10.0.19042.2604
microsoft windows 10 21h2< 10.0.19044.2604
microsoft windows 10 22h2< 10.0.19045.2604
microsoft windows 11 21h2< 10.0.22000.1574
microsoft windows 11 22h2< 10.0.22621.1265
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Scoring & Timeline

7.4
HIGH · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Feb 2023 · 08:15 PM
CVSS VectorCVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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Vendor Advisories

1
msrcCVE-2023-21820Remote Code Execution
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