CVE-2020-12061
CVSS V2 Medium 5
CVSS V3 Critical 9.8
Description
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.
Overview
- CVE ID
- CVE-2020-12061
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-05-21T12:15:07
- Last Modified Date
- 2022-10-05T16:08:58
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:nitrokey:fido_u2f_firmware:*:*:*:*:*:*:*:* | 1 | OR | 1.1 | |
| cpe:2.3:h:nitrokey:fido_u2f:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://cwe.mitre.org/data/definitions/523.html | 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://github.com/Nitrokey/nitrokey-fido-u2f-firmware/releases | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-12061 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12061 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:14:23 | Added to TrackCVE | |||
| 2022-12-05 02:44:06 | 2021-05-21T12:15Z | 2021-05-21T12:15:07 | CVE Published Date | updated |
| 2022-12-05 02:44:06 | 2022-10-05T16:08:58 | CVE Modified Date | updated | |
| 2022-12-05 02:44:06 | Analyzed | Vulnerability Status | updated | |
| 2022-12-05 02:44:11 | References | updated |