CVE-2021-36956

Name: CVE-2021-36956
Creator: NVD / NIST
Published: 2021-09-15T12:15:13.243+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.4/10EPSS 0.75%

Last modified Jun 17, 2026

CVE-2021-36956 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. Azure Sphere Information Disclosure Vulnerability. EPSS estimates a 0.75% chance of exploitation in the next 30 days.

Description

Azure Sphere Information Disclosure Vulnerability

Metrics

CVSS 3.1

4.4/10

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

EPSS Probability

0.75%

50.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Microsoft	Azure Sphere	< 21.08

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36956Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36956Patch, Vendor Advisory

Timeline

Published: Sep 15, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36956?

Azure Sphere Information Disclosure Vulnerability

How severe is CVE-2021-36956?

CVE-2021-36956 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36956?

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-2021-36956?

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

Scan your code now

Source: NVD / NIST