CVE-2018-21063 — CRITICAL (9.8)

Vulnerability Description

An issue was discovered on Samsung mobile devices with M(6.0), N(7.x), and O(8.x) (Exynos chipsets) software. Keymaster has an architectural problem because tlApi in TEE is not properly protected. The Samsung ID is SVE-2018-11792 (August 2018).

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	6.0

References

https://security.samsungmobile.com/securityUpdate.smsbVendor Advisory
https://security.samsungmobile.com/securityUpdate.smsbVendor Advisory

FAQ

What is CVE-2018-21063?

CVE-2018-21063 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An issue was discovered on Samsung mobile devices with M(6.0), N(7.x), and O(8.x) (Exynos chipsets) software. Keymaster has an architectural problem because tlApi in TEE is not properly protected. The...

How severe is CVE-2018-21063?

CVE-2018-21063 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2018-21063?

Check the references section above for vendor advisories and patch information. Affected products include: Google Android.