CVE-2021-20146

9.8 criticalEPSS 2.1%

Critical (9.8) in gryphonconnect gryphon tower firmware. EPSS 2.1% chance of exploitation in the next 30 days.

An unprotected ssh private key exists on the Gryphon devices which could be used to achieve root access to a server affiliated with Gryphon's development and infrastructure. At the time of discovery, the ssh key could be used to login to the development server hosted in Amazon Web Services.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 2.1% chance of exploitation in the next 30 days; higher than 81% of CVEs (scores of 2026-10-31)
CWE: CWE-522
Published: 2021-12-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

gryphonconnect:gryphon_tower_firmware

References

https://www.tenable.com/security/research/tra-2021-51
https://www.tenable.com/security/research/tra-2021-51

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