CVE-2020-14483

Name: CVE-2020-14483
Creator: NVD / NIST
Published: 2020-08-13T15:15:12.377+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.42%

Last modified Jun 17, 2026

CVE-2020-14483 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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.. EPSS estimates a 0.42% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.42%

33.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1088

Affected Software

Vendor	Product	Versions
Tridium	Niagara	4.6.96.28
Tridium	Niagara	4.7.109.20
Tridium	Niagara	4.7.110.32
Tridium	Niagara	4.8.0.110
Tridium	Niagara Enterprise Security	2.4.31
Tridium	Niagara Enterprise Security	2.4.45
Tridium	Niagara Enterprise Security	4.8.0.35

References

https://us-cert.cisa.gov/ics/advisories/icsa-20-224-03Third Party Advisory, US Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-20-224-03Third Party Advisory, US Government Resource

Timeline

Published: Aug 13, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-14483?

How severe is CVE-2020-14483?

CVE-2020-14483 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.

How do I fix CVE-2020-14483?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-14483?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST