Vulnerability in Oneplus 3

CVE-2017-5626

OxygenOS before version 4.0.2, on OnePlus 3 and 3T, has two hidden fastboot oem commands (4F500301 and 4F500302) that allow the attacker to lock/unlock the bootloader, disregarding the 'OEM Unlocking' checkbox, without user confirmation and without a factory reset. This allows for persistent code execution with high privileges (kernel/root) with complete access to user data.

EPSS: 0.028 (85.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Public proof-of-concept exploits

References

  • cve@mitre.org (Technical Description, Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2017-5626?
CVE-2017-5626 is a critical-severity vulnerability in Oneplus 3. CVSS score: 9.8/10. Published 2017-03-12.
How severe is CVE-2017-5626?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2017-5626 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.