CVE-2025-3939

Observable Response Discrepancy

Published May 22, 2025 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Tridium

Niagara Framework

affected

Version	Status	Constraints
`0`	affected	< 4.14.2
`0`	affected	< 4.15.1
`0`	affected	< 4.10.11

Tridium

Niagara Enterprise Security

affected

Version	Status	Constraints
`0`	affected	< 4.14.2
`0`	affected	< 4.15.1
`0`	affected	< 4.10.11

Configuration 1 [-]

AND

OR	cpe:2.3:a:tridium:niagara:4.10u10:::::::*
	cpe:2.3:a:tridium:niagara:4.14u1:::::::*
	cpe:2.3:a:tridium:niagara:4.15:::::::*
	cpe:2.3:a:tridium:niagara_enterprise_security:4.10u10:::::::*
	cpe:2.3:a:tridium:niagara_enterprise_security:4.14u1:::::::*
	cpe:2.3:a:tridium:niagara_enterprise_security:4.15:::::::*

OR	cpe:2.3:o:blackberry:qnx:-:::::::*
	cpe:2.3:o:linux:linux_kernel:-:::::::*
	cpe:2.3:o:microsoft:windows:-:::::::*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

Source	ID	Title
EUVD	EUVD-2025-16123	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.
EUVD	EUVD-2025-16124	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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.329% probability within 30 days)

Exploitation none

Automatable yes

Technical Impact partial

References

Link	Providers
https://docs.niagara-community.com/category/tech_bull
https://honeywell.com/us/en/product-security#security-notices

History

Jun 4, 2025 7:45 PM First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated View changes

Type	Values Removed	Values Added
First Time appeared		Blackberry Blackberry qnx Linux Linux linux Kernel Microsoft Microsoft windows Tridium Tridium niagara Tridium niagara Enterprise Security
Weaknesses		CWE-203
CPEs		cpe:2.3:a:tridium:niagara:4.10u10:::::::* cpe:2.3:a:tridium:niagara:4.14u1:::::::* cpe:2.3:a:tridium:niagara:4.15:::::::* cpe:2.3:a:tridium:niagara_enterprise_security:4.10u10:::::::* cpe:2.3:a:tridium:niagara_enterprise_security:4.14u1:::::::* cpe:2.3:a:tridium:niagara_enterprise_security:4.15:::::::* cpe:2.3:o:blackberry:qnx:-:::::::* cpe:2.3:o:linux:linux_kernel:-:::::::* cpe:2.3:o:microsoft:windows:-:::::::*
Vendors & Products		Blackberry Blackberry qnx Linux Linux linux Kernel Microsoft Microsoft windows Tridium Tridium niagara Tridium niagara Enterprise Security

May 22, 2025 2:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

May 22, 2025 1:00 PM Description updated. Title updated. Weaknesses updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
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.
Title		Observable Response Discrepancy
Weaknesses		CWE-204
References		https://docs.niagara-community.com/category/tech_bull https://honeywell.com/us/en/product-security#security-notices
Metrics		cvssV3_1 `{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}`