CVE-2021-42311

moderate-risk
Published 2021-12-15

Microsoft Defender for IoT Remote Code Execution Vulnerability

Do I need to act?

~
2.0% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
10
CVSS 10.0/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Microsoft

References (4)

Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4231...
Exploit https://www.zerodayinitiative.com/advisories/ZDI-21-1556/
Patch https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4231...
Exploit https://www.zerodayinitiative.com/advisories/ZDI-21-1556/
43
/ 100
moderate-risk
Severity 33/34 · Critical
Exploitability 5/34 · Minimal
Exposure 5/34 · Minimal