Vulnerability identifier: #VU85918

Vulnerability risk: High

CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-21916

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ControlLogix 5570
Hardware solutions / Firmware
ControlLogix 5570 redundant
Hardware solutions / Firmware
GuardLogix 5570
Hardware solutions / Firmware

Vendor: Rockwell Automation

Description

The vulnerability allows a remote attacker to performa  denial of service (DoS) attack.

The vulnerability exists due to a boundary error. A remote attacker can trigger memory corruption and cause a denial of service condition on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ControlLogix 5570: 20.011

ControlLogix 5570 redundant: 20.054_kit1

GuardLogix 5570: 20.011

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External links
http://www.cisa.gov/news-events/ics-advisories/icsa-24-030-05

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Q & A

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.