CVE-2020-12775: Moica Hicos

Critical severity, CVSS 9.8. EPSS: 2.8% chance of exploitation in the next 30 days.

Hicos citizen certificate client-side component does not filter special characters for command parameters in specific web URLs. An unauthenticated remote attacker can exploit this vulnerability to perform command injection attack to execute arbitrary system command, disrupt system or terminate service.

Affected products

• Moica Hicos: up to and including 1.3.4.12; up to and including 3.0.0

Published 2022-03-01. Last modified 2026-06-17.