CVE-2020-14483

low-risk
Published 2020-08-13

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.

Do I need to act?

-
0.05% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.3/10 Medium
ADJACENT_NETWORK / LOW complexity

Affected Products (7)

Niagara
Niagara
Niagara
Niagara
Niagara Enterprise Security
Niagara Enterprise Security
Niagara Enterprise Security

Affected Vendors

Tridium

References (2)

Third Party Advisory https://us-cert.cisa.gov/ics/advisories/icsa-20-224-03
Third Party Advisory https://us-cert.cisa.gov/ics/advisories/icsa-20-224-03
29
/ 100
low-risk
Severity 15/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 14/34 · Moderate