Improper Access Control in Tizen FOTA Service by Samsung
CVE-2021-25437

9.8CRITICAL

Key Information:

Vendor

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

What is CVE-2021-25437?

An improper access control vulnerability in the Tizen FOTA service allows attackers to execute arbitrary code by replacing the FOTA update file. This issue exists in versions prior to the July 2021 release and compromises the integrity of the firmware update process, potentially leading to unauthorized access and control over affected devices.

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

.