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CVE-2020-16994

24
FAUCET Score

CVE-2020-16994 is an Azure Sphere Unsigned Code Execution Vulnerability affecting Microsoft Azure Sphere devices. This vulnerability has a CVSS score of 7.3 (HIGH), indicating a local attack vector with low attack complexity, requiring no user interaction, and potentially leading to high integrity and low confidentiality and availability impacts. There is no public exploit code available (Metasploit, Nuclei, ExploitDB), it is not listed in CISA's KEV catalog, and community discussion and media coverage are minimal, suggesting it is not currently being actively exploited.

Impacted Technologies

VendorProductVersion(s)CPE
< 20.07CPE matchmatch criteria
cpe:2.3:a:microsoft:azure_sphere:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.3HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
HIGH
Availability Impact
LOW
Exploitability Score
2.5
Impact Score
4.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.61%
Probability of exploitation in next 30 days
EPSS Percentile
73.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0161 is in the 89th percentile among its peer group of 3,241 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 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 Sphere

Vendor Advisories (1)

microsoft2020-Nov/CVE-2020-16994Important

Azure Sphere Unsigned Code Execution Vulnerability

Nov 10, 2020

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2020-16994
PatchVendor Advisory
talosintelligence.com / vulnerability_reports/TALOS-2020-1093
ExploitThird Party Advisory