Home/CVE/Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability
CVE

CVE-2023-21535

Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability

Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability.

HIGH · CVSS 8.1 EPSS 0.00727
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
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Weakness Classification

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-591Sensitive Data Storage in Improperly Locked Memory
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Affected Products & Versions

14
microsoft windows 10 1607all versions
microsoft windows 10 1809all versions
microsoft windows 10 20h2all versions
microsoft windows 10 21h2all versions
microsoft windows 10 22h2all versions
microsoft windows 11 21h2all versions
microsoft windows 11 22h2all versions
microsoft windows 8.1all versions
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Scoring & Timeline

8.1
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 NVD10 Jan 2023 · 10:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/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-2023-21535Remote Code Execution
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