Vulnerability Intelligence Report
CVE-2021-25435
Improper input validation vulnerability in Tizen bootloader prior to Firmware update JUL-2021 Release allows arbitrary code execution using recovery partition in wireless firmware download mode.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
EPSS Probability:1.68%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-20 ↗CWE-20: Improper Input Validation
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Samsung Mobile | Tizen wearable devices | Tizen 5.5 < Firmware update JUL-2021 Release (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
1.675%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Samsung Mobile |
| Reserved | 2021-01-19T00:00:00 |
| Published | 2021-07-08T13:46:59 |
| Last Updated | 2024-08-03T20:03:05 |
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