#VU76555 Improper access control in Samsung Mobile Firmware - CVE-2023-21484

Vulnerability identifier: #VU76555

Vulnerability risk: Low

CVSSv4.0: 5.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-21484

CWE-ID: CWE-284

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Samsung Mobile Firmware
Mobile applications / Mobile firmware & hardware

Vendor: Samsung

Description

The vulnerability allows a local application to bypass implemented security restrictions.

The vulnerability exists due to improper access restrictions in AppLock. A local application can bypass implemented security restrictions and execute privileged operations.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Samsung Mobile Firmware: before SMR-MAY-2023

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External links
https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=05

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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.