CVE-2025-3939: qnx — Fix

Description

Observable Response Discrepancy vulnerability in Tridium Niagara Framework on Windows, Linux, QNX, Tridium Niagara Enterprise Security on Windows, Linux, QNX allows Cryptanalysis. This issue affects Niagara Framework: before 4.14.2, before 4.15.1, before 4.10.11; Niagara Enterprise Security: before 4.14.2, before 4.15.1, before 4.10.11.Tridium recommends upgrading to Niagara Framework and Enterprise Security versions 4.14.2u2, 4.15.u1, or 4.10u.11.

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CVSS v3.1 Score

5.3

MEDIUM

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

Weakness Type (CWE)

CWE-204 CWE-204

CWE-203 CWE-203

Affected Products

Vendor	Product	Versions
tridium	niagara	All
tridium	niagara	All
tridium	niagara	All
tridium	niagara_enterprise_security	All
tridium	niagara_enterprise_security	All
tridium	niagara_enterprise_security	All
blackberry	qnx	All
linux	linux_kernel	All
microsoft	windows	All

References

Advisories & Patches

https://honeywell.com/us/en/product-security#security-notices

Other References

https://docs.niagara-community.com/category/tech_bull

Frequently Asked Questions

What is CVE-2025-3939? +

Observable Response Discrepancy vulnerability in Tridium Niagara Framework on Windows, Linux, QNX, Tridium Niagara Enterprise Security on Windows, Linux, QNX allows Cryptanalysis. This issue affects Niagara Framework: before 4.14.2, before 4.15.1, before 4.10.11; Niagara Enterprise Security: before 4.14.2, before 4.15.1, before 4.10.11.Tridium recommends upgrading to Niagara Framework and Enterprise Security versions 4.14.2u2, 4.15.u1, or 4.10u.11. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-3939? +

CVE-2025-3939 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-3939? +

CVE-2025-3939 affects products from blackberry, linux, microsoft, tridium, specifically: linux_kernel, niagara, niagara_enterprise_security, qnx, windows. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-3939? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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