CVE-2021-25397

medium

Description

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.

References

https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=5

https://blog.oversecured.com/Two-weeks-of-securing-Samsung-devices-Part-1/

Details

Source: Mitre, NVD

Published: 2021-06-11

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 2.1

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:P/A:N

Severity: Low

CVSS v3

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Severity: Medium

EPSS

EPSS: 0.00049