CVE-2020-27208

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

published May 21, 2021

CVSS
—
EPSS
0%
Percentile
24.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00328 · 24.6th percentile
Published
2021-05-21T11:17Z
EPSS history
Timeline
  • 21 MAY 11:17Z
    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
    cvelistv5