CVE-2021-25434

CRITICALCVSS 9.8/10EPSS 1.68%

Last modified

CVE-2021-25434 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 param 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 param partition in wireless firmware download mode.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
1.68%

73.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxTizen< 5.5

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-25434?
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.
How severe is CVE-2021-25434?
CVE-2021-25434 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-2021-25434?
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-2021-25434?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST