# CVE-2017-3891

## Summary

- **CVE ID:** CVE-2017-3891
- **Severity:** CRITICAL
- **CVSS Score:** 9.6 (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
- **CWE:** CWE-923
- **Published:** Nov 14, 2017
- **Last Modified:** Mar 14, 2026

## Description

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.

## Affected Products

- BlackBerry — QNX Software Development Platform (QNX SDP) (6.6.0)

## References

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

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.30%
- **EPSS Percentile:** 52.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._