CVE-2021-41375

FAUCET Score

CVE-2021-41375 is an information disclosure vulnerability affecting Microsoft Azure Sphere. It carries a CVSS score of 4.4 (Medium), indicating a local attack vector with low attack complexity, requiring high privileges to achieve high confidentiality impact without affecting integrity or availability. While there is no known active exploitation, public exploit code, or KEV listing, the vulnerability has received limited community discussion and media coverage.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 21.10CPE matchmatch criteria	cpe:2.3:a:microsoft:azure_sphere::::::::
		>= 20.00, < 22.07CPE match	cpe:2.3:a:microsoft:azure_sphere::::::::

CVSS Data

CVSS version used by this source: 3.1

4.4MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

Exploitability Score

0.8

Impact Score

3.6

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.80%

Probability of exploitation in next 30 days

EPSS Percentile

52.7%

Percentile rank of EPSS score among Peer Group

As of 2026-07-28

Model: v2026.06.15

This CVE's current EPSS score of 0.0080 is in the 96th percentile among its peer group of 3,720 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

microsoftpatch availablevia nvd_reference

View patch

microsoftpatch availablevia msrc

Product: Azure SphereFixed in: 22.07

Vendor Advisories (1)

microsoft2021-Nov/CVE-2021-41375Important

Azure Sphere Information Disclosure Vulnerability

Nov 9, 2021

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2021-41375

PatchVendor Advisory