CVE-2021-27189: Cira Canadian Shield

Medium severity, CVSS 5.9. EPSS: 1% chance of exploitation in the next 30 days.

The CIRA Canadian Shield app before 4.0.13 for iOS lacks SSL Certificate Validation.

Affected products

• Cira Canadian Shield: before 4.0.13 (fixed in 4.0.13)

Published 2021-02-23. Last modified 2026-06-17.