MachineSense FeverWarn Improper Input Validation

published 2024-02-01 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-53557

cvss: 8.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits: 0; none known

MachineSense FeverWarn Raspberry Pi-based devices lack input sanitization, which could allow an attacker on an adjacent network to send a message running commands or could overflow the stack.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-24-025-01 updated 2024-01-25 cvss 8.1

MachineSense FeverWarn

MachineSense LLC. FeverWarn ESP32, RaspberryPi, DataHub_RaspberryPi
affected: mitigation machinesense.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-10-17)

Exploit prediction

0.39% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.1	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
NVD	3.1	8.1	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Affected products

MachineSense FeverWarn

Classification

Weakness

CWE-20 Improper Input Validation

References

cisa.gov /news-events/ics-advisories/icsa-24-025-01
third-party-advisory, us-government-resource
machinesense.com /pages/about-machinesense
product

Sources

CVE List CVE-2023-49610
NVD CVE-2023-49610

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary