Improper Input Validation in Tizen Bootloader by Samsung
CVE-2021-25435

9.8CRITICAL

Key Information:

Vendor

Samsung
Status
Tizen Wearable Devices
Vendor
CVE Published:
8 July 2021

What is CVE-2021-25435?

An improper input validation vulnerability exists in the Tizen bootloader that enables arbitrary code execution. This flaw is triggered during wireless firmware downloads when utilizing the recovery partition. Users are at risk if their systems operate with versions prior to the Firmware update released in July 2021.

Affected Version(s)

Tizen wearable devices Tizen 5.5

References

https://security.samsungmobile.com/serviceWeb.smsb?year=2...
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.