CVE-2023-49115
MachineSense FeverWarn Missing Authentication for Critical Function
- Published
- Updated
- Reserved
- Assigned by
- icscert
Description
MachineSense devices use unauthenticated MQTT messaging to monitor devices and remote viewing of sensor data by users.
Timeline
ID reserved
By icscert
- 2 months later
· 2 months later
Published
- 6 months later
· 6 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| icscertCNA (assigner) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.59% · top 51% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
- affected ESP32
- affected RaspberryPi
- affected DataHub RaspberryPi
What to do
Workaround: FeverWarn and the associated cloud service were pandemic-specific products for elevated body temperature scanning, discontinued by MachineSense prior to the end of the pandemic. They are no longer available, and there will be no future availability or upgrades. MachineSense is not aware of any current users of FeverWarn. Users of the affected product are encouraged to contact MachineSense https://machinesense.com/pages/about-machinesense for additional information.
References (2)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-49115)Record last updated .