CVE-2021-25437

9.8 criticalEPSS 2.4%

Critical (9.8) in linux tizen. 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.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 2.4% chance of exploitation in the next 30 days; higher than 83% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2021-07-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

linux:tizen

References

https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=7
https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=7

Check your stack JSON