CVE-2021-43882

CRITICAL

Microsoft Defender for IoT < 10.5.3 - Remote Code Execution via Improper Certificate Validation

Title source: llm

Microsoft Defender for IoT Remote Code Execution Vulnerability

Core 2

Core References

Patch, Vendor Advisory x_refsource_misc

Third Party Advisory, VDB Entry x_refsource_misc

CVSS v3 9.0

EPSS 0.0242

EPSS Percentile 82.0%

Attack Vector ADJACENT_NETWORK

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CWE

CWE-295

Status published

Products (1)

microsoft/defender_for_iot < 10.5.3

Published Dec 15, 2021

Tracked Since Feb 18, 2026