Vulnerability Details CVE-2020-12061
An issue was discovered in Nitrokey FIDO U2F firmware through 1.1. Communication between the microcontroller and the secure element transmits credentials in plain. This allows an adversary to eavesdrop the communication and derive the secrets stored in the microcontroller. As a result, the attacker is able to arbitrarily manipulate the firmware of the microcontroller.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 61.6%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 5.0
References
- https://cwe.mitre.org/data/definitions/523.html
- https://eprint.iacr.org/2021/640.pdf
- https://github.com/Nitrokey/nitrokey-fido-u2f-firmware/commits/master
- https://github.com/Nitrokey/nitrokey-fido-u2f-firmware/releases
- https://cwe.mitre.org/data/definitions/523.html
- https://eprint.iacr.org/2021/640.pdf
- https://github.com/Nitrokey/nitrokey-fido-u2f-firmware/commits/master
- https://github.com/Nitrokey/nitrokey-fido-u2f-firmware/releases
Products affected by CVE-2020-12061
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cpe:2.3:h:nitrokey:fido_u2f:-
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cpe:2.3:o:nitrokey:fido_u2f_firmware:-
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cpe:2.3:o:nitrokey:fido_u2f_firmware:0.1
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cpe:2.3:o:nitrokey:fido_u2f_firmware:0.2
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cpe:2.3:o:nitrokey:fido_u2f_firmware:1.0
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cpe:2.3:o:nitrokey:fido_u2f_firmware:1.1