MEDIUM
CVE-2020-14483
CWE-1088Published: August 13, 2020· Updated: Jun 17, 2026
4.3
CVSS v3.1
Official 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.
Technical Analysis
CVE-2020-14483 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityLow
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected Vendors & Products
tridium2 product(s)
niagaraniagara enterprise security
Source: NVD CPE · 7 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (2)
→
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
Quick Facts
CVE IDCVE-2020-14483
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-1088
CISA KEVNo
Affected1 vendor(s)
PublishedAug 13, 2020
Related CVEs (CWE-1088)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-14483 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.