How severe is CVE-2023-49617?

CVE-2023-49617 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2023-49617 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-49617?

CVE-2023-49617 affects Machinesense Feverwarn Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-49617?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2023-49617 have an EU (EUVD) identifier?

Yes. CVE-2023-49617 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-53561.

When was CVE-2023-49617 published?

CVE-2023-49617 was published on 2024-02-01 and last updated on 2026-06-17.

CVE-2023-49617

CVE-2023-49617 is a critical-severity vulnerability in Machinesense Feverwarn Firmware with a CVSS 3.x base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-53561
Weakness: CWE-306
Affected product: Machinesense Feverwarn Firmware
Published: 2024-02-01
Last modified: 2026-06-17

Description

The MachineSense application programmable interface (API) is improperly protected and can be accessed without authentication. A remote attacker could retrieve and modify sensitive information without any authentication.

Frequently asked questions

What is CVE-2023-49617?: The MachineSense application programmable interface (API) is improperly protected and can be accessed without authentication. A remote attacker could retrieve and modify sensitive information without any authentication.
How severe is CVE-2023-49617?: CVE-2023-49617 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2023-49617 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-49617?: CVE-2023-49617 affects Machinesense Feverwarn Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-49617?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2023-49617 have an EU (EUVD) identifier?: Yes. CVE-2023-49617 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-53561.
When was CVE-2023-49617 published?: CVE-2023-49617 was published on 2024-02-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:machinesense:feverwarn_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Machinesense Feverwarn Firmware

CVE-2023-46706 — Critical (CVSS 9.1): Multiple MachineSense devices have credentials unable to be changed by the user or administrator.
CVE-2023-47867 — High (CVSS 8.8): MachineSense FeverWarn devices are configured as Wi-Fi hosts in a way that attackers within range could connect to the…
CVE-2023-49610 — High (CVSS 8.1): MachineSense FeverWarn Raspberry Pi-based devices lack input sanitization, which could allow an attacker on an adjacent…
CVE-2023-6221 — High (CVSS 7.7): The cloud provider MachineSense uses for integration and deployment for multiple MachineSense devices, such as the…
CVE-2023-49115 — High (CVSS 7.5): MachineSense devices use unauthenticated MQTT messaging to monitor devices and remote viewing of sensor data by users.

All CVEs affecting Machinesense Feverwarn Firmware →

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