CVE-2020-24653: Expo

Critical severity, CVSS 9.8. EPSS: 1.2% chance of exploitation in the next 30 days.

secure-store in Expo through 2.16.1 on iOS provides the insecure kSecAttrAccessibleAlwaysThisDeviceOnly policy when WHEN_UNLOCKED_THIS_DEVICE_ONLY is used.

Affected products

• Expo Expo: up to and including 2.16.1

Published 2020-08-26. Last modified 2026-06-17.