CVE-2021-43215

CRITICAL

Microsoft Windows iSNS Server - Memory Corruption

Title source: llm
STIX 2.1

Description

iSNS Server Memory Corruption Vulnerability Can Lead to Remote Code Execution

References (1)

Core 1
Core References

Scores

CVSS v3 9.8
EPSS 0.0271
EPSS Percentile 84.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/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-787
Status published
Products (19)
microsoft/windows_10 (2 CPE variants)
microsoft/windows_10 20h2 (3 CPE variants)
microsoft/windows_10 21h1 (3 CPE variants)
microsoft/windows_10 1607 (2 CPE variants)
microsoft/windows_10 1809 (3 CPE variants)
microsoft/windows_10 1909 (3 CPE variants)
microsoft/windows_10 2004 (3 CPE variants)
microsoft/windows_11 (2 CPE variants)
microsoft/windows_7 (2 CPE variants)
microsoft/windows_8.1 (2 CPE variants)
... and 9 more
Published Dec 15, 2021
Tracked Since Feb 18, 2026