Vulnerability identifier: #VU54075

Vulnerability risk: Low

CVSSv3.1: 7.3 [CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-25397

CWE-ID: CWE-284

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Samsung P
Client/Desktop applications / Multimedia software
Samsung Q
Client/Desktop applications / Multimedia software
Samsung R
Client/Desktop applications / Multimedia software

Vendor: Samsung

Description

The vulnerability allows a local attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in TelephonyUI. A local attacker can write arbitrary files of telephony process via untrusted applications.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Samsung P: 9.0

Samsung Q: 10.0

Samsung R: 11

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External links
http://security.samsungmobile.com/securityUpdate.smsb

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.