Improper authentication in Samsung Tizen wearable devices
Priority LOW 38CWE-287Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
Improper authentication vulnerability in Tizen bluetooth-frwk prior to Firmware update JUN-2021 Release allows bluetooth attacker to take over the user's bluetooth device without user awareness.
Why it matters now
EPSS 0.00438 38th percentileScored 2026-11-07
Fix Fixed Tizen wearable devices (Samsung Mobile): Firmware update JUN-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 | 5.5 to before Firmware update JUN-2021 Release | Firmware update JUN-2021 Release | Patch available | CNA |
- Tizen wearable devices VendorSamsung Affected 5.5 to before Firmware update JUN-2021 Release Fixed in Firmware update JUN-2021 Release Patch available CNA
CPE configurations NVD · 18
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:samsung:galaxy_watch_active_2_firmware:*:*:*:*:*:*:*:* | before 5.5 | Vulnerable | Samsung |
| cpe:2.3:h:samsung:galaxy_watch_active_2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Samsung |
| cpe:2.3:o:samsung:galaxy_watch_active_firmware:*:*:*:*:*:*:*:* | before 5.5 | Vulnerable | Samsung |
| cpe:2.3:h:samsung:galaxy_watch_active:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Samsung |
| cpe:2.3:o:samsung:galaxy_watch_firmware:*:*:*:*:*:*:*:* | before 5.5 | Vulnerable | Samsung |
| cpe:2.3:h:samsung:galaxy_watch:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Samsung |
| cpe:2.3:o:samsung:galaxy_watch_3_firmware:*:*:*:*:*:*:*:* | before 5.5 | Vulnerable | Samsung |
| cpe:2.3:h:samsung:galaxy_watch_3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Samsung |
| cpe:2.3:o:samsung:gear_s3_firmware:*:*:*:*:*:*:*:* | before 5.5 | Vulnerable | Samsung |
| cpe:2.3:h:samsung:gear_s3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Samsung |
- cpe:2.3:o:samsung:galaxy_watch_active_2_firmware:*:*:*:*:*:*:*:* Versions before 5.5 Vulnerable ·Samsung
- cpe:2.3:h:samsung:galaxy_watch_active_2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
- cpe:2.3:o:samsung:galaxy_watch_active_firmware:*:*:*:*:*:*:*:* Versions before 5.5 Vulnerable ·Samsung
- cpe:2.3:h:samsung:galaxy_watch_active:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
- cpe:2.3:o:samsung:galaxy_watch_firmware:*:*:*:*:*:*:*:* Versions before 5.5 Vulnerable ·Samsung
- cpe:2.3:h:samsung:galaxy_watch:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
- cpe:2.3:o:samsung:galaxy_watch_3_firmware:*:*:*:*:*:*:*:* Versions before 5.5 Vulnerable ·Samsung
- cpe:2.3:h:samsung:galaxy_watch_3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
- cpe:2.3:o:samsung:gear_s3_firmware:*:*:*:*:*:*:*:* Versions before 5.5 Vulnerable ·Samsung
- cpe:2.3:h:samsung:gear_s3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
Show 8 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:samsung:gear_s2_firmware:*:*:*:*:*:*:*:* | before 5.5 | Vulnerable | Samsung |
| cpe:2.3:h:samsung:gear_s2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Samsung |
| cpe:2.3:o:samsung:gear_s_firmware:*:*:*:*:*:*:*:* | before 5.5 | Vulnerable | Samsung |
| cpe:2.3:h:samsung:gear_s:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Samsung |
| cpe:2.3:o:samsung:gear_2_firmware:*:*:*:*:*:*:*:* | before 5.5 | Vulnerable | Samsung |
| cpe:2.3:h:samsung:gear_2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Samsung |
| cpe:2.3:o:samsung:gear_2_neo_firmware:*:*:*:*:*:*:*:* | before 5.5 | Vulnerable | Samsung |
| cpe:2.3:h:samsung:gear_2_neo:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Samsung |
- cpe:2.3:o:samsung:gear_s2_firmware:*:*:*:*:*:*:*:* Versions before 5.5 Vulnerable ·Samsung
- cpe:2.3:h:samsung:gear_s2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
- cpe:2.3:o:samsung:gear_s_firmware:*:*:*:*:*:*:*:* Versions before 5.5 Vulnerable ·Samsung
- cpe:2.3:h:samsung:gear_s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
- cpe:2.3:o:samsung:gear_2_firmware:*:*:*:*:*:*:*:* Versions before 5.5 Vulnerable ·Samsung
- cpe:2.3:h:samsung:gear_2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
- cpe:2.3:o:samsung:gear_2_neo_firmware:*:*:*:*:*:*:*:* Versions before 5.5 Vulnerable ·Samsung
- cpe:2.3:h:samsung:gear_2_neo:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
Remediation
- Fix · CNA Tizen wearable devices (Samsung Mobile) Fixed in Firmware update JUN-2021 Release
Timeline
- 2026-10-02 Threatist record created from CVE-2021-25424
- 2026-10-03 Alias added: GHSA-f9wq-7pg8-8r2r
References
Sources
- CVE-2021-25424 · CVE Program
- CVE-2021-25424 · NVD
- FIRST EPSS
- GHSA-f9wq-7pg8-8r2r · GitHub Advisory Database · CC BY 4.0
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