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CVE-2018-8479

21
FAUCET Score

CVE-2018-8479 is a medium-severity spoofing vulnerability affecting the Azure IoT C SDK library when utilizing the HTTP protocol on Windows platforms. This flaw could allow an attacker to spoof devices within the Azure IoT Device Provisioning service. The vulnerability has a CVSS score of 5.6, indicating a network-based attack with high attack complexity, potentially leading to low impacts on confidentiality, integrity, and availability. There is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit or Nuclei, though it received some community and media attention at the time of disclosure.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:microsoft:c_software_development_kit:*:*:*:*:*:azure_internet_of_things:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:microsoft:java_software_development_kit:*:*:*:*:*:azure_internet_of_things:*:*

CVSS Data

CVSS version used by this source: 3.0

5.6MEDIUM

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.2
Impact Score
3.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.13%
Probability of exploitation in next 30 days
EPSS Percentile
80.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0213 is in the 67th percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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: C SDK for Azure IoT
View patch

Vendor Advisories (1)

microsoft2018-Sep/CVE-2018-8479Important

Azure IoT SDK Spoofing Vulnerability

Sep 11, 2018

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2018-8479
PatchVendor Advisory
securityfocus.com / bid/105323
Third Party AdvisoryVDB Entry