Path traversal in Omron products - CVE-2024-27121

Vulnerability identifier: #VU87209

CSH Severity: Low

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

CVE-ID: CVE-2024-27121

CWE-ID: CWE-22

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
Machine Automation Controller NJ101
Machine Automation Controller NJ301
Machine Automation Controller NJ501-1
Machine Automation Controller NJ501
Machine Automation Controller NJ501-4
Machine Automation Controller NJ501-5300
Machine Automation Controller NJ501-R
Machine Automation Controller NX1P2
Machine Automation Controller NX102
Machine Automation Controller NX502
Machine Automation Controller NX701
Machine Automation Controller NX-EIP201

Software vendor:
Omron

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote administrator can send a specially crafted HTTP request and read arbitrary files on the system, leading to arbitrary code execution.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

• https://jvn.jp/en/vu/JVNVU95852116/index.html
• https://www.fa.omron.co.jp/product/security/assets/pdf/en/OMSR-2024-001_en.pdf