CVE-2021-25437: Linux Tizen

Critical severity, CVSS 9.8. EPSS: 2.4% chance of exploitation in the next 30 days.

Improper access control vulnerability in Tizen FOTA service prior to Firmware update JUL-2021 Release allows attackers to arbitrary code execution by replacing FOTA update file.

Affected products

• Linux Tizen: before 5.5 (fixed in 5.5)

Published 2021-07-08. Last modified 2026-06-17.