Vulnerability Details CVE-2020-27488
Loxone Miniserver devices with firmware before 11.1 (aka 11.1.9.3) are unable to use an authentication method that is based on the "signature of the update package." Therefore, these devices (or attackers who are spoofing these devices) can continue to use an unauthenticated cloud service for an indeterminate time period (possibly forever). Once an individual device's firmware is updated, and authentication occurs once, the cloud service recategorizes the device so that authentication is subsequently always required, and spoofing cannot occur.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.01
EPSS Ranking 75.8%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
References
- https://iot-lab-fh-ooe.github.io/loxone_clouddns_schwachstelle/
- https://iot-lab-fh-ooe.github.io/loxone_clouddns_vulnerability/
- https://www.loxone.com/dede/sicherheit-cloud-dns/
- https://www.loxone.com/enen/security-cloud-dns/
- https://iot-lab-fh-ooe.github.io/loxone_clouddns_schwachstelle/
- https://iot-lab-fh-ooe.github.io/loxone_clouddns_vulnerability/
- https://www.loxone.com/dede/sicherheit-cloud-dns/
- https://www.loxone.com/enen/security-cloud-dns/
Products affected by CVE-2020-27488
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cpe:2.3:h:loxone:miniserver_gen_1:-
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cpe:2.3:o:loxone:miniserver_gen_1_firmware:-