Resource exhaustion in Rockwell Automation products - CVE-2022-1797

Vulnerability identifier: #VU63626

CSH Severity: Medium

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2022-1797

CWE-ID: CWE-400

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
CompactLogix 5380
Compact GuardLogix 5380
CompactLogix 5480
ControlLogix 5580
GuardLogix 5580
CompactLogix 5370
Compact GuardLogix 5370
ControlLogix 5570
GuardLogix 5570

Software vendor:
Rockwell Automation

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

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can use a specially crafted Class 3 common industrial protocol message, trigger resource exhaustion and perform a denial of service (DoS) attack.

Install updates from vendor's website.

• https://ics-cert.us-cert.gov/advisories/icsa-22-144-01