CVE-2021-25490: Google Android

Medium severity, CVSS 6.0. EPSS: 0.8% chance of exploitation in the next 30 days.

A keyblob downgrade attack in keymaster prior to SMR Oct-2021 Release 1 allows attacker to trigger IV reuse vulnerability with privileged process.

Affected products

• Google Android: version 9.0 only; version 10.0 only; version 11.0 only

Published 2021-10-06. Last modified 2026-06-17.