Denial of service in Tridium Niagara
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-14483 |
| CWE-ID | CWE-1088 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Niagara Server applications / SCADA systems Niagara Enterprise Security Server applications / SCADA systems |
| Vendor | Tridium |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Synchronous Access of Remote Resource without Timeout
EUVDB-ID: #VU45636
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-14483
CWE-ID:
CWE-1088 - Synchronous Access of Remote Resource without Timeout
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a timeout during a TLS handshake can result in the connection failing to terminate. A remote attacker on the local network can perform a denial of service (DoS) attack.
MitigationInstall updates from vendor's website.
Vulnerable software versionsNiagara: 4.6.96.28 - 4.8.0.110
Niagara Enterprise Security: 2.4.31 - 4.8.0.35
External linkshttp://ics-cert.us-cert.gov/advisories/icsa-20-224-03
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
