Improper input validation in Samsung Tizen wearable devices
Priority MEDIUM 47CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.02352 83rd percentileScored 2026-11-07
Fix Fixed Tizen wearable devices (Samsung Mobile): Firmware update JUL-2021 Release
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Samsung | Tizen wearable devices | Tizen 5.5 to before Firmware update JUL-2021 Release | Firmware update JUL-2021 Release | Patch available | CNA |
- Tizen wearable devices VendorSamsung Affected Tizen 5.5 to before Firmware update JUL-2021 Release Fixed in Firmware update JUL-2021 Release Patch available CNA
Remediation
- Fix · CNA Tizen wearable devices (Samsung Mobile) Fixed in Firmware update JUL-2021 Release
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Samsung Mobile Tizen wearable devices Firmware update JUL-2021 Release
5 records Highest priority Priority MEDIUM 4 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2021-07675 Improper input validation in Samsung Tizen wearable devicesPriority MEDIUM 45
- TI-2021-07674 Improper input validation in Samsung Tizen wearable devicesPriority MEDIUM 45
- TI-2021-07673 Improper input validation in Samsung Tizen wearable devicesPriority MEDIUM 45
Timeline
- 2026-10-02 Threatist record created from CVE-2021-25437
- 2026-10-03 Alias added: GHSA-36pg-q9f9-m4xv
References
More Samsung vulnerabilities
- TI-2025-15039 Out-of-bounds write in Samsung Mobile Devices KEVCVSS 3.1CRITICAL 9.8
- TI-2025-15038 Out-of-bounds write in Samsung Mobile Devices KEVCVSS 3.1CRITICAL 9.8
- TI-2025-04133 Path traversal in Samsung MagicINFO 9 Server KEVCVSS 3.1CRITICAL 9.8
- TI-2024-06858 Path traversal in Samsung MagicINFO 9 Server KEVCVSS 3.1CRITICAL 9.8
- TI-2016-00916 Integer overflow in Adobe Flash Player before 18.0.0.333 and 19.x through 21.x before… KEVCVSS 3.1HIGH 8.8
- TI-2022-06595 An improper check or handling of exceptional conditions in NPU driver prior to SMR… KEVCVSS 3.1HIGH 7.8
Sources
- CVE-2021-25437 · CVE Program
- CVE-2021-25437 · NVD
- FIRST EPSS
- GHSA-36pg-q9f9-m4xv · GitHub Advisory Database · CC BY 4.0
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