Vulnerability identifier: #VU45636
Vulnerability 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:
CWE-ID:
CWE-1088
Exploitation vector: Local network
Exploit availability: No
Vulnerable software:
Niagara
Server applications /
SCADA systems
Niagara Enterprise Security
Server applications /
SCADA systems
Vendor: Tridium
Description
The 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.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Niagara: 4.6.96.28 - 4.8.0.110
Niagara Enterprise Security: 2.4.31 - 4.8.0.35
External links
http://ics-cert.us-cert.gov/advisories/icsa-20-224-03
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.