CVE-2025-3942: tridium niagara Improper Output Neutralization for Logs
Vulnerability summary
CVE-2025-3942 is a high (CVSS 7.5) Improper Output Neutralization for Logs vulnerability in tridium niagara. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 22.2% of scored vulnerabilities.
Timeline
- 22-05-2025PublishedVulnerability first disclosed.
- 22-05-2025Last modifiedVulnerability information updated.
Description
Improper Output Neutralization for Logs 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.
CVSS metrics
2 scores · 2 sources · 1 version- CVE.orgCNA4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NDiffers
EPSS trend
Probability
0.31%
Chance of exploitation in the next 30 days
Percentile
22%
Versus all other CVEs
30-day change
+0.02 pp
From 0.29% 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-117Improper Output Neutralization for LogsThe product constructs a log message from external input, but it does not neutralize or incorrectly neutralizes special elements when the message is written to a log file.
- CWE-116Improper Encoding or Escaping of OutputThe product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.
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