No exploitation reported

CVE-2025-3943

No exploitation reported by the sources we read.

Published2025-05-22
WeaknessCWE-598

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Use of GET Request Method With Sensitive Query Strings vulnerability in Tridium Niagara Framework on Windows, Linux, QNX, Tridium Niagara Enterprise Security on Windows, Linux, QNX allows Parameter Injection. 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.

Timeline

dates in UTC

2025-05-2213:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2025-3943?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2025-3943?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Tridium niagaraversion to verify

Branch	Affected	Fixed in	Source
4.10	= 4.10u10	no fix published	NVD
4.14	= 4.14u1	no fix published	NVD
4.15	= 4.15	no fix published	NVD

Tridium niagara enterprise securityversion to verify

Branch	Affected	Fixed in	Source
4.10	= 4.10u10	no fix published	NVD
4.14	= 4.14u1	no fix published	NVD
4.15	= 4.15	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

honeywell.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2025-05-22
OpenCVESSVC decisionnone—
CNACVSS 3.14.1read 2026-10-23
NVDCVSS 3.17.5read 2026-10-23
CNAweakness (CWE)CWE-598read 2026-10-23
FIRST EPSSEPSS score10.2 %read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published: 2025-05-22
Last Modified: 2026-06-17
NVD status: Analyzed

Frequently asked questions

What is CVE-2025-3943?

Is CVE-2025-3943 actively exploited?

Active exploitation of CVE-2025-3943 has not been confirmed. Its EPSS score was 10.2% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-3943?

CVE-2025-3943 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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