HOMEVULNERABILITIESCVE-2023-6221
MEDIUM

CVE-2023-6221

CWE-306Published: February 1, 2024· Updated: Jun 17, 2026

6.5
CVSS v3.1

Official Description

The cloud provider MachineSense uses for integration and deployment for multiple MachineSense devices, such as the programmable logic controller (PLC), PumpSense, PowerAnalyzer, FeverWarn, and others is insufficiently protected against unauthorized access. An attacker with access to the internal procedures could view source code, secret credentials, and more.

NVD Source

Technical Analysis

CVE-2023-6221 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 6.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

machinesense2 product(s)
feverwarn firmwarefeverwarn
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://www.cisa.gov/news-events/ics-advisories/icsa-24-025-01
ADVISORYhttps://www.cisa.gov/news-events/ics-advisories/icsa-24-025-01

All References (4)

→
https://machinesense.com/pages/about-machinesenseProduct
→
https://www.cisa.gov/news-events/ics-advisories/icsa-24-025-01Third Party Advisory · US Government Resource
→
https://machinesense.com/pages/about-machinesenseProduct
→
https://www.cisa.gov/news-events/ics-advisories/icsa-24-025-01Third Party Advisory · US Government Resource

Quick Facts

CVE IDCVE-2023-6221
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-306
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 1, 2024

Related CVEs (CWE-306)

CVE-2026-64812
10.0
CVE-2014-9195
10.0
CVE-2025-41656
10.0
CVE-2026-10577
10.0
CVE-2025-9574
10.0
CVE-2026-35292
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-6221 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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