Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2017-3891

23
FAUCET Score

CVE-2017-3891 is an elevation of privilege vulnerability affecting BlackBerry QNX Software Development Platform (SDP) 6.6.0 when QNet is enabled on multi-node networks. An attacker can exploit this by executing commands from a secondary QNX 6.6.0 QNet node to access or take ownership of files on other QNX nodes, bypassing existing permissions. This vulnerability has a CVSS score of 8.1 (HIGH), indicating a severe risk with high impact on confidentiality, integrity, and availability, and can be exploited remotely with high attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
6.6.0CPE matchmatch criteria
cpe:2.3:a:blackberry:qnx_software_development_platform:6.6.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.6CRITICAL

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

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.28%
Probability of exploitation in next 30 days
EPSS Percentile
67.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0128 is in the 27th percentile among its peer group of 8,918 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

support.blackberry.com / kb/articleDetail
MitigationVendor Advisory
midnightbluelabs.com / blog/2017/12/8/elevation-of-privilege-vulnerability-in-qnx-qnet