How severe is CVE-2025-3944?

CVE-2025-3944 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-3944 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-3944?

CVE-2025-3944 primarily affects Tridium Niagara. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-3944?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-3944 have an EU (EUVD) identifier?

Yes. CVE-2025-3944 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16157.

When was CVE-2025-3944 published?

CVE-2025-3944 was published on 2025-05-22 and last updated on 2026-06-17.

CVE-2025-3944

CVE-2025-3944 is a high-severity vulnerability in Tridium Niagara with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-732.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-16157
Weakness: CWE-732
Affected product: Tridium Niagara
Published: 2025-05-22
Last modified: 2026-06-17

Description

Incorrect Permission Assignment for Critical Resource vulnerability in Tridium Niagara Framework on QNX, Tridium Niagara Enterprise Security on QNX allows File 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.

Frequently asked questions

What is CVE-2025-3944?: Incorrect Permission Assignment for Critical Resource vulnerability in Tridium Niagara Framework on QNX, Tridium Niagara Enterprise Security on QNX allows File 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.
How severe is CVE-2025-3944?: CVE-2025-3944 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-3944 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3944?: CVE-2025-3944 primarily affects Tridium Niagara. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-3944?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-3944 have an EU (EUVD) identifier?: Yes. CVE-2025-3944 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16157.
When was CVE-2025-3944 published?: CVE-2025-3944 was published on 2025-05-22 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:tridium:niagara:4.10u10:*:*:*:*:*:*:*
cpe:2.3:a:tridium:niagara:4.14u1:*:*:*:*:*:*:*
cpe:2.3:a:tridium:niagara:4.15:*:*:*:*:*:*:*
cpe:2.3:a:tridium:niagara_enterprise_security:4.10u10:*:*:*:*:*:*:*
cpe:2.3:a:tridium:niagara_enterprise_security:4.14u1:*:*:*:*:*:*:*
cpe:2.3:a:tridium:niagara_enterprise_security:4.15:*:*:*:*:*:*:*

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