Improper Input Validation in Tizen's FOTA Service by Samsung
CVE-2021-25436

9.8CRITICAL

Key Information:

Vendor

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

What is CVE-2021-25436?

An improper input validation flaw exists in the Tizen FOTA service that precedes the July 2021 firmware update. This vulnerability enables an attacker to execute arbitrary code by exploiting the Samsung Accessory Protocol, which communicates with connected devices. It emphasizes the need for stringent input validation checks to secure devices running Tizen and prevent unauthorized access.

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

.