CVE-2021-20146: Gryphonconnect Gryphon Tower Firmware

Critical severity, CVSS 9.8. 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.

Affected products

• Gryphonconnect Gryphon Tower Firmware: up to and including 04.0004.12

Published 2021-12-09. Last modified 2026-06-17.