CVE-2021-39658

ismsEx service is a vendor service in unisoc equipment?ismsEx service is an extension of sms system service,but it does not check the permissions of the caller,resulting in permission leaks?Third-party apps can use this service to arbitrarily modify and set system properties?Product: AndroidVersions: Android SoCAndroid ID: A-207479207 > MITRE Terms of Use apply – see LICENSE‑MITRE.txt