#VU88753 Input validation error in Rockwell Automation products - CVE-2024-3493

Vulnerability identifier: #VU88753

Vulnerability risk: High

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-3493

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
ControlLogix 5580
Hardware solutions / Firmware
GuardLogix 5580
Hardware solutions / Firmware
CompactLogix 5380
Hardware solutions / Firmware
1756-EN4TR
Hardware solutions / Firmware

Vendor: Rockwell Automation

Description

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can pass specially crafted input to the application, cause a major nonrecoverable fault (MNRF) and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ControlLogix 5580: 35.011

GuardLogix 5580: 35.011

CompactLogix 5380: 35.011

1756-EN4TR: 5.001

---

External links
https://www.rockwellautomation.com/en-us/support/advisory.SD1666.html
https://www.cisa.gov/news-events/ics-advisories/icsa-24-107-03

---

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.