CVE-2020-12061: nitrokey fido u2f firmware

csirt@kutim:~/threat-intel/cve/CVE-2020-12061

CVSS 9.8 · Critical EPSS 1,9%

Kerentanan Insufficiently Protected Credentials pada nitrokey fido u2f firmware. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD: 21 Mei 2021
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-522: Insufficiently Protected Credentials
EPSS (30 hari): 1,9% peluang dieksploitasi; lebih tinggi dari 78,6% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
nitrokey	fido u2f firmware	Semua versi hingga 1.1

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/Nitrokey/nitrokey-fido-u2f-firmware/commits/master patch · advisory pihak ketiga
https://cwe.mitre.org/data/definitions/523.html advisory pihak ketiga
https://eprint.iacr.org/2021/640.pdf exploit · advisory pihak ketiga
https://github.com/Nitrokey/nitrokey-fido-u2f-firmware/releases advisory pihak ketiga

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.