CVE-2025-3939

mediumpriority · track · 21EPSS 0.003 · 26 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.33% (26th) EPSS

CVSS 5.3 · medium

Is it mine?

12 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 1.4

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · ENISA EU

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · psirt@honeywell.comexploitability 3.9 · impact 1.4

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-203USprimaryCWE-204US

affected products (12)

Products and version ranges known to be affected.

Tridium Niagara Enterprise Security0 → 4.10.11enisa_euvdEU
Tridium Niagara Enterprise Security0 → 4.14.2enisa_euvdEU
Tridium Niagara Enterprise Security0 → 4.15.1enisa_euvdEU
Tridium Niagara Framework0 → 4.10.11enisa_euvdEU
Tridium Niagara Framework0 → 4.14.2enisa_euvdEU
Tridium Niagara Framework0 → 4.15.1enisa_euvdEU
tridium niagara= 4.10u10nvdUScpe:2.3:a:tridium:niagara:*:*:*:*:*:*:*:*
tridium niagara= 4.14u1nvdUScpe:2.3:a:tridium:niagara:*:*:*:*:*:*:*:*
tridium niagara= 4.15nvdUScpe:2.3:a:tridium:niagara:*:*:*:*:*:*:*:*
tridium niagara enterprise security= 4.10u10nvdUScpe:2.3:a:tridium:niagara_enterprise_security:*:*:*:*:*:*:*:*
tridium niagara enterprise security= 4.14u1nvdUScpe:2.3:a:tridium:niagara_enterprise_security:*:*:*:*:*:*:*:*
tridium niagara enterprise security= 4.15nvdUScpe:2.3:a:tridium:niagara_enterprise_security:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2025-05-22modified 2026-06-17

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+881 more

references (7)

External citations — patches, advisories, analysis.

scry

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