THREATPORT/VULNERABILITY/CVE-2018-8531
HIGH SEVERITY

CVE-2018-8531

Azure Internet Of Things Edge vulnerability

CVSS
8.8
EPSS
15.2%
EPSS pct
96th
Exploited
No known
A remote code execution vulnerability exists in the way that Azure IoT Hub Device Client SDK using MQTT protocol accesses objects in memory, aka "Azure IoT Device Client SDK Memory Corruption Vulnerability." This affects Hub Device Client SDK, Azure IoT Edge.
Affected vendor
Microsoft
Affected product
Azure Internet Of Things Edge
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2018-10-10

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 15.2% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2018-8531

  • Confirm whether Microsoft Azure Internet Of Things Edge is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-8531.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-8531

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-8531 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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