CVE-2025-21032: 
NixOS vulnerability analysis and mitigation

CVE-2025-21032 is a security vulnerability discovered in Samsung's One UI Home software, disclosed on September 3, 2025. The vulnerability affects Samsung mobile devices running Android versions 14 and 15, specifically impacting the Kiosk mode functionality. This security flaw allows physical attackers to bypass Kiosk mode restrictions under limited conditions (Samsung Mobile).

The vulnerability has been assigned a CVSS v3.1 Base Score of 6.8 (Medium) by NIST NVD, with the following vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Samsung Mobile's assessment differs slightly with a CVSS score of 5.9 (Medium) and vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H. The vulnerability requires physical access (AV:P) with low attack complexity (AC:L) and no privileges required (PR:N) (NVD).

The vulnerability allows physical attackers to bypass Kiosk mode security restrictions, potentially compromising the device's security controls. This could lead to unauthorized access to device functionality and data that should be restricted in Kiosk mode (Samsung Mobile).

Samsung has addressed this vulnerability in their September 2025 Security Maintenance Release (SMR Sep-2025 Release 1). The patch adds proper access control to prevent unauthorized bypass of Kiosk mode. Users are advised to update their devices to the latest security patch level (Samsung Mobile).