CVE-2025-3940

Name: CVE-2025-3940
Creator: NVD / NIST
Published: 2025-05-22T13:15:56.87+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.30%

Last modified Jun 17, 2026

CVE-2025-3940 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Improper Use of Validation Framework vulnerability in Tridium Niagara Framework on Windows, Linux, QNX, Tridium Niagara Enterprise Security on Windows, Linux, QNX allows Input Data Manipulation. 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.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.

Description

Improper Use of Validation Framework vulnerability in Tridium Niagara Framework on Windows, Linux, QNX, Tridium Niagara Enterprise Security on Windows, Linux, QNX allows Input Data Manipulation. 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

CVSS 3.1

9.8/10

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

EPSS Probability

0.30%

21.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1173

Affected Software

Vendor	Product	Versions
Tridium	Niagara	4.10u10
Tridium	Niagara	4.14u1
Tridium	Niagara	4.15
Tridium	Niagara Enterprise Security	4.10u10
Tridium	Niagara Enterprise Security	4.14u1
Tridium	Niagara Enterprise Security	4.15

References

https://docs.niagara-community.com/category/tech_bullPermissions Required
https://honeywell.com/us/en/product-security#security-noticesVendor Advisory

Timeline

Published: May 22, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-3940?

How severe is CVE-2025-3940?

CVE-2025-3940 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.

How do I fix CVE-2025-3940?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-3940?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST