Vulnerability Report

CVE-2017-3891

Title: Blackberry Qnx Software Development Platform Broken Access Control

Other

Proof Of Concept

No public PoC currently indexed for CVE-2017-3891.

CWE Category CWE-863

Published Date Nov 14, 2017

Modified Date May 13, 2026

Exploit Status Not Found

Score 9.6 CVSS v3.1

Exploit Probability (EPSS)

0.30%

Vulnerability Summary

CVE-2017-3891: In BlackBerry QNX Software Development Platform (SDP) 6.6.0, an elevation of privilege vulnerability in the default configuration of the QNX SDP with QNet enabled on networks comprising two or more QNet nodes could allow an attacker to access local and remote files or take ownership of files on other QNX nodes regardless of permissions by executing commands targeting arbitrary nodes from a secondary QNX 6.6.0 QNet node.

Impacted Vendors

blackberry 1

Reference Links

http://support.blackberry.com/kb/articleDetail?articleNumber=000046674 https://www.midnightbluelabs.com/blog/2017/12/8/elevation-of-privilege-vulnerability-in-qnx-qnet http://support.blackberry.com/kb/articleDetail?articleNumber=000046674 https://www.midnightbluelabs.com/blog/2017/12/8/elevation-of-privilege-vulnerability-in-qnx-qnet

CVSS v3.1

Source Entity [email protected]

Severity CRITICAL

9.6

Attack Vector

ADJACENT_NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

CHANGED

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

CVSS v3.0

Source Entity [email protected]

Severity HIGH

8.1

Attack Vector

NETWORK

Complexity

HIGH

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

6.8

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns