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Vulnerability record · CVE-2020-14483 · published 13 August 2020

CVE-2020-14483: Tridium niagara vulnerability

Tridium · Niagara

A timeout during a TLS handshake can result in the connection failing to terminate. This can result in a Niagara thread hanging and requires a manual restart of Niagara (Versions 4.6.96.28, 4.7.109.20, 4.7.110.32, 4.8.0.110) and Niagara Enterprise Security (Versions 2.4.31, 2.4.45, 4.8.0.35) to correct.

4.3 CVSS 3.1 Medium EPSS 0.42% · top 65.9% CWE-1088 · CWE-1088
4.3CVSS 3.1 base score, v2 3.3
0.42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A timeout during a TLS handshake can result in the connection failing to terminate. This can result in a Niagara thread hanging and requires a manual restart of Niagara (Versions 4.6.96.28, 4.7.109.20, 4.7.110.32, 4.8.0.110) and Niagara Enterprise Security (Versions 2.4.31, 2.4.45, 4.8.0.35) to correct.

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://us-cert.cisa.gov/ics/advisories/icsa-20-224-03 Third Party AdvisoryUS Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-20-224-03 Third Party AdvisoryUS Government Resource

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2025-3941Tridium niagara vulnerabilityImproper Handling of Windows ::DATA Alternate Data Stream vulnerability in Tridium Niagara Framework on Windows, Tridium Niagara Enterprise Security …EPSS 0.53%9.8CVE-2025-3944Tridium niagara incorrect permission assignment vulnerabilityIncorrect Permission Assignment for Critical Resource vulnerability in Tridium Niagara Framework on QNX, Tridium Niagara Enterprise Security on QNX a…EPSS 0.53%9.8CVE-2025-3945Tridium niagara argument injection vulnerabilityImproper Neutralization of Argument Delimiters in a Command ('Argument Injection') vulnerability in Tridium Niagara Framework on QNX, Tridium Niagara…EPSS 0.65%9.8CVE-2025-3936Tridium niagara incorrect permission assignment vulnerabilityIncorrect Permission Assignment for Critical Resource vulnerability in Tridium Niagara Framework on Windows, Tridium Niagara Enterprise Security on W…EPSS 0.39%9.8CVE-2025-3937Tridium niagara vulnerabilityUse of Password Hash With Insufficient Computational Effort vulnerability in Tridium Niagara Framework on Windows, Linux, QNX, Tridium Niagara Enterp…EPSS 0.36%9.8CVE-2025-3940Tridium niagara vulnerabilityImproper Use of Validation Framework vulnerability in Tridium Niagara Framework on Windows, Linux, QNX, Tridium Niagara Enterprise Security on Window…EPSS 0.36%9.8CVE-2025-3938Tridium niagara broken cryptographic algorithm vulnerabilityMissing Cryptographic Step vulnerability in Tridium Niagara Framework on Windows, Linux, QNX, Tridium Niagara Enterprise Security on Windows, Linux, …EPSS 0.35%9.8CVE-2017-16748Tridium niagara improper authentication vulnerabilityAn attacker can log into the local Niagara platform (Niagara AX Framework Versions 3.8 and prior or Niagara 4 Framework Versions 4.4 and prior) using…EPSS 5.3%

Source: NIST National Vulnerability Database (record CVE-2020-14483), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.