Medium severity6.8NVD Advisory· Published May 21, 2021· Updated Jun 17, 2026
CVE-2020-27208
CVE-2020-27208
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
8- Nitrokey/FIDO2 tokendescription
- osv-coords4 versionspkg:rpm/opensuse/solo&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/solo&distro=openSUSE%20Leap%2015.3pkg:rpm/suse/solo&distro=SUSE%20Package%20Hub%2015%20SP2pkg:rpm/suse/solo&distro=SUSE%20Package%20Hub%2015%20SP3
< 4.1.2-bp153.2.3.1+ 3 more
- (no CPE)range: < 4.1.2-bp153.2.3.1
- (no CPE)range: < 4.1.2-bp153.2.3.1
- (no CPE)range: < 4.1.2-bp153.2.3.1
- (no CPE)range: < 4.1.2-bp153.2.3.1
Patches
Vulnerability mechanics
References
6- github.com/solokeys/solo/commit/a9c02cd354f34b48195a342c7f524abdef5cbcecnvdPatchThird Party Advisory
- www.aisec.fraunhofer.de/en/FirmwareProtection.htmlnvdExploitThird Party Advisory
- eprint.iacr.org/2021/640nvdThird Party Advisory
- www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.htmlnvdThird Party Advisory
- solokeys.comnvdProduct
- twitter.com/SoloKeysSecnvdProduct
News mentions
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