CVE-2018-21070
An attacker can bypass Secure Boot and obtain root access because of a missing Bootloader integrity check.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.13%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 8.4 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.13% probability · 3th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-354
- Affected
- google/android
- Source
- cve@mitre.org
EPSS 0.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://security.samsungmobile.com/securityUpdate.smsbVendor Advisory
- https://security.samsungmobile.com/securityUpdate.smsbVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.