CVE-2021-25435CWE-20

Improper input validation vulnerability in Tizen bootloader prior to Firmware update JUL-2021 Release allows arbitrary code execution using recovery partition…

published July 8, 2021

CVSS
—
EPSS
2%
Percentile
76.7
In the wild
Unconfirmed
What it is

🚨 An improperly validated input in the Tizen bootloader could allow attackers to execute arbitrary code via the recovery partition! 🔥 Think of it like a security checkpoint at an airport that doesn’t properly check IDs; anyone could masquerade as a passenger and board a flight without scrutiny! If exploited, this vulnerability could allow malicious actors to run harmful code, compromising the device's integrity and potentially gaining access to sensitive data. Imagine a rogue pilot taking control of your aircraft — it's just not safe!

Put simply

Think of it like a security checkpoint at an airport that doesn’t properly check IDs; anyone could masquerade as a passenger and board a flight without scrutiny! This vulnerability arises from improper input validation in the Tizen bootloader, specifically during the wireless firmware download mode, allowing for arbitrary code execution when using the recovery partition.

What to do

If exploited, this vulnerability could allow malicious actors to run harmful code, compromising the device's integrity and potentially gaining access to sensitive data. Imagine a rogue pilot taking control of your aircraft — it's just not safe! To mitigate this risk, ensure that your Tizen devices are updated with the latest firmware released after July 2021. Regularly check for updates and apply them promptly to maintain device security. You've got this! Stay vigilant and keep your devices updated for a safer experience. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01675 · 76.7th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2021-07-08T13:46Z
EPSS history
Timeline
  • 08 JUL 13:46Z
    Improper input validation vulnerability in Tizen bootloader prior to Firmware update JUL-2021 Release allows arbitrary code execution using recovery partition…
    cvelistv5