Is CVE-2017-5623 actively exploited?

No active exploitation of CVE-2017-5623 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-5623 be exploited remotely?

No. CVE-2017-5623 requires physical access to exploit.

What is the CVSS score of CVE-2017-5623?

CVE-2017-5623 has a CVSS score of 6.6 (MEDIUM).

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MEDIUM

CVE-2017-5623

CWE-269Published: March 19, 2017· Updated: Jun 17, 2026

6.6

CVSS v3.1

Official Description

An issue was discovered in OxygenOS before 4.1.0 on OnePlus 3 and 3T devices. The attacker can change the bootmode of the device by issuing the 'fastboot oem boot_mode {rf/wlan/ftm/normal} command' in contradiction to the threat model of Android where the bootloader MUST NOT allow any security-sensitive operation to be run unless the bootloader is unlocked.

NVD Source

Technical Analysis

CVE-2017-5623 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 6.6.