CVE-2021-47744: Cypress One

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Cypress Solutions CTM-200/CTM-ONE 1.3.6 contains hard-coded credentials vulnerability in Linux distribution that exposes root access. Attackers can exploit the static 'Chameleon' password to gain remote root access via Telnet or SSH on affected devices.

Affected products

• Cypress One: affected versions not specified

Published 2025-12-31. Last modified 2026-06-17.