CVE-2021-25397
An improper access control vulnerability in TelephonyUI prior to SMR MAY-2021 Release 1 allows local attackers to write arbitrary files of telephony process via untrusted applications.
Date published : 2021-06-11
https://blog.oversecured.com/Two-weeks-of-securing-Samsung-devices-Part-1/
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=5