CVE-2021-28460

Name: CVE-2021-28460
Creator: NVD / NIST
Published: 2021-04-13T20:15:20.733+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 0.48%

Last modified Jun 17, 2026

CVE-2021-28460 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. Azure Sphere Unsigned Code Execution Vulnerability. EPSS estimates a 0.48% chance of exploitation in the next 30 days.

Description

Azure Sphere Unsigned Code Execution Vulnerability

Metrics

CVSS 3.1

8.1/10

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

EPSS Probability

0.48%

37.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Microsoft	Azure Sphere	All versions

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28460Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28460Patch, Vendor Advisory

Timeline

Published: Apr 13, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-28460?

Azure Sphere Unsigned Code Execution Vulnerability

How severe is CVE-2021-28460?

CVE-2021-28460 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.48% probability of exploitation in the next 30 days.

How do I fix CVE-2021-28460?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-28460?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST