CVE-2025-3938: tridium niagara Missing Cryptographic Step
Vulnerability summary
CVE-2025-3938 is a critical (CVSS 9.8) Missing Cryptographic Step vulnerability in tridium niagara. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 24.9% of scored vulnerabilities.
Timeline
- 22-05-2025PublishedVulnerability first disclosed.
- 22-05-2025Last modifiedVulnerability information updated.
Description
Missing Cryptographic Step 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.
CVSS metrics
2 scores · 2 sources · 1 version- CVE.orgCNA6.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:NDiffers
EPSS trend
Probability
0.33%
Chance of exploitation in the next 30 days
Percentile
25%
Versus all other CVEs
30-day change
-0.02 pp
From 0.35% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-325Missing Cryptographic StepThe product does not implement a required step in a cryptographic algorithm, resulting in weaker encryption than advertised by the algorithm.
- CWE-327Use of a Broken or Risky Cryptographic AlgorithmThe product uses a broken or risky cryptographic algorithm or protocol.
Affected systems
Tridium3 products
- niagara4.10u10 | 4.14u1 | 4.15
- niagara_enterprise_security< 4.14.2 | < 4.15.1 | < 4.10.11 | 4.10u10 | 4.14u1 | 4.15
- niagara framework< 4.14.2 | < 4.15.1 | < 4.10.11
1 vendor · 3 products
References
2 links- www.honeywell.com/us/en/product-securityVendor Advisory