CVE-2020-14483 — MEDIUM (4.3)

Vulnerability 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 Score

4.3

MEDIUM

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

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

LOW

Affected Products

Vendor	Product	Versions
Tridium	Niagara	4.6.96.28
Tridium	Niagara Enterprise Security	2.4.31

Related Weaknesses (CWE)

CWE-1088

References

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

FAQ

What is CVE-2020-14483?

CVE-2020-14483 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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...

How severe is CVE-2020-14483?

CVE-2020-14483 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-14483?

Check the references section above for vendor advisories and patch information. Affected products include: Tridium Niagara, Tridium Niagara Enterprise Security.