CVE-2023-21535

HIGH

Windows SSTP - Remote Code Execution via Race Condition

Title source: llm
STIX 2.1

Description

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

References (1)

Core 1
Core References

Scores

CVSS v3 8.1
EPSS 0.0108
EPSS Percentile 60.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-362 CWE-591
Status published
Products (16)
microsoft/windows_10_1607 (2 CPE variants)
microsoft/windows_10_1809 (3 CPE variants)
microsoft/windows_10_20h2 (3 CPE variants)
microsoft/windows_10_21h2 (3 CPE variants)
microsoft/windows_10_22h2 (3 CPE variants)
microsoft/windows_11_21h2
microsoft/windows_11_22h2 (2 CPE variants)
microsoft/windows_8.1 (2 CPE variants)
microsoft/windows_rt_8.1
microsoft/windows_server_2008 (2 CPE variants)
... and 6 more
Published Jan 10, 2023
Tracked Since Feb 18, 2026