CVE-2021-25434 json
Improper input validation vulnerability in Tizen bootloader prior to Firmware update JUL-2021 Release allows arbitrary code execution using…
published 2021-07-08 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-12330
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 77%
- public exploits
- 0
- none known
Summary
Improper input validation vulnerability in Tizen bootloader prior to Firmware update JUL-2021 Release allows arbitrary code execution using param partition in wireless firmware download mode.
Patch / fix
- Samsung Mobile Tizen wearable devices Firmware update JUL-2021 Release
Exploit prediction
1.68% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- Samsung Mobile Tizen wearable devices
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
security.samsungmobile.com
/serviceWeb.smsb?year=2021&month=7
vendor-advisory
Sources
- CVE List CVE-2021-25434
- NVD CVE-2021-25434
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