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CVE-2021-41374

23
FAUCET Score

CVE-2021-41374 is an information disclosure vulnerability affecting Microsoft Azure Sphere. It carries a CVSS score of 6.7 (Medium), indicating a local attack vector with high attack complexity, and potential for high confidentiality and availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion, with only one media article mentioning its fix in a broader patch update.

Impacted Technologies

VendorProductVersion(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

6.7MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.4
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.60%
Probability of exploitation in next 30 days
EPSS Percentile
45.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0060 is in the 81st percentile among its peer group of 1,595 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 0.0 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-2021-41374Important

Azure Sphere Information Disclosure Vulnerability

Nov 9, 2021

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2021-41374
PatchVendor Advisory