CVE-2021-27080

high

Description

Azure Sphere Unsigned Code Execution Vulnerability

References

https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1250

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27080

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-27080

Details

Source: Mitre, NVD

Published: 2021-03-11

Updated: 2026-08-19

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

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

Severity: High

EPSS

EPSS: 0.00521