CVE-2018-21070 — HIGH (8.4)

Vulnerability Description

An issue was discovered on Samsung mobile devices with N(7.x), O(8.0) devices (MSM8998 or SDM845 chipsets) software. An attacker can bypass Secure Boot and obtain root access because of a missing Bootloader integrity check. The Samsung ID is SVE-2018-11552 (May 2018).

CVSS Score

8.4

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	7.0
Qualcomm	Msm8998	-
Qualcomm	Sdm845	-

Related Weaknesses (CWE)

CWE-354

References

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

FAQ

What is CVE-2018-21070?

CVE-2018-21070 is a vulnerability with a CVSS score of 8.4 (HIGH). An issue was discovered on Samsung mobile devices with N(7.x), O(8.0) devices (MSM8998 or SDM845 chipsets) software. An attacker can bypass Secure Boot and obtain root access because of a missing Boot...

How severe is CVE-2018-21070?

CVE-2018-21070 has been rated HIGH with a CVSS base score of 8.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-21070?

Check the references section above for vendor advisories and patch information. Affected products include: Google Android, Qualcomm Msm8998, Qualcomm Sdm845.