Skip to content
Fencer Vulns
medium 4.3

CVE-2020-14483 json

A timeout during a TLS handshake can result in the connection failing to terminate.

published 2020-08-13 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-6619

cvss
4.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 36%
public exploits
0
none known

Summary

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-20-224-03 updated cvss 4.3

Tridium Niagara

  • Tridium Niagara 4.6.96.28, 4.7.109.20, 4.7.110.32, 4.8.0.110 Tridium Niagara Enterprise Security 2.4.31, 2.4.45, 4.8.0.35
    affected: vendor fix, mitigation “Tridium has released updates that mitigate this vulnerability and recommends users update to the versions” mail.google.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 4.3 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD 2.0 3.3 AV:A/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • n/a Niagara

Classification

Weakness
  • CWE-1088 Synchronous Access of Remote Resource without Timeout

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.