PT-2021-16627 · Samsung · Tizen Fota Service

Donghun Seo + 5 · Published 2021-07-08 · Updated 2021-07-14 · CVE-2021-25436

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions: Tizen FOTA service versions prior to Firmware update JUL-2021 Release

Description: The issue is related to improper input validation in the Tizen FOTA service, which allows for arbitrary code execution via the Samsung Accessory Protocol.

Recommendations: For versions prior to Firmware update JUL-2021 Release, update to the JUL-2021 Release or later to resolve the issue.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2021-25436

Affected Products

Tizen Fota Service

References · 5

• https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=7 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-25436 · Security Note
• https://osv.dev/vulnerability/CVE-2021-25436 · Vendor Advisory
• https://t.me/cvenotify/17255 · Telegram Post
• https://t.me/cvenotify/17605 · Telegram Post