Vulnerability identifier: #VU78272
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-787
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
1756-EN4TR Series A
Server applications /
SCADA systems
1756-EN4TRK Series A
Server applications /
SCADA systems
1756-EN4TRXT Series A
Server applications /
SCADA systems
Vendor:
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error when processing CIP messages. A remote attacker can send specially crafted CIP messages to the affected system, trigger an out-of-bounds write and perform a denial of service (DoS) attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
External links
http://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1140010
http://www.cisa.gov/news-events/ics-advisories/icsa-23-193-01
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.