CVE-2020-12857: Health Covidsafe

High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days.

Caching of GATT characteristic values (TempID) in COVIDSafe v1.0.15 and v1.0.16 allows a remote attacker to long-term re-identify an Android device running COVIDSafe.

Affected products

• Health Covidsafe: before 1.0.17 (fixed in 1.0.17)

Published 2020-05-18. Last modified 2026-06-17.