CVE Vulnerability

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/Nitrokey/nitrokey-fido-u2f-firmware/releases Third Party Advisory
https://eprint.iacr.org/2021/640.pdf Exploit Third Party Advisory
https://github.com/Nitrokey/nitrokey-fido-u2f-firmware/commits/master Patch Third Party Advisory
https://cwe.mitre.org/data/definitions/523.html Third Party Advisory
Configurations

Configuration 1
Information

Published : 2021-05-21 12:15

Updated : 2022-10-05 04:08

NVD link : CVE-2020-12061

Mitre link : CVE-2020-12061

Products Affected
No products.
CWE
CWE-522