CVE-2021-25435

published 2021-07-08

CVE-2021-25435: Improper input validation vulnerability in Tizen bootloader prior to Firmware update JUL-2021 Release allows arbitrary code execution using recovery partition…

Priority P3 58 critical 9.8 CVSS 3.1

AV N AC L PR N UI N S U C H I H A H

Improper input validation vulnerability in Tizen bootloader prior to Firmware update JUL-2021 Release allows arbitrary code execution using recovery partition in wireless firmware download mode.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
linux	tizen	< 5.5	5.5
samsung_mobile	tizen_wearable_devices	>= Tizen 5.5 < Firmware update JUL-2021 Release	Firmware update JUL-2021 Release

CVSS provenance

nvd v3.1 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd v2.0 7.5 HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.

CWE-20