CVE-2021-25435
CRITICALCVSS 9.8/10EPSS 1.68%
Last modified
CVE-2021-25435 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.68% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Tizen | < 5.5 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2021-25435?
CVE-2021-25435 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.68% probability of exploitation in the next 30 days.
How do I fix CVE-2021-25435?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-25435?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST