CVE-2020-27208
Global infos:
The flash read-out protection (RDP) level is not enforced during the device initialization phase of the SoloKeys Solo 4.0.0 & Somu and the Nitrokey FIDO2 token. This allows an adversary to downgrade the RDP level and access secrets such as private ECC keys from SRAM via the debug interface.
CVE Status: Modified
References:
Metrics:
| Attribute | Value |
|---|---|
| Attack Complexity | LOW |
| Attack Vector | PHYSICAL |
| Availability Impact | HIGH |
| Base Score | 6.8 |
| Base Severity | MEDIUM |
| Confidentiality Impact | HIGH |
| Integrity Impact | HIGH |
| Privileges Required | NONE |
| Scope | UNCHANGED |
| User Interaction | NONE |
| Vector String | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Exploitability Score | 0.9 |
| Impact Score | 5.9 |
| Source | [email protected] |
| Type | Primary |