#VU80552 XML Entity Expansion in Phoenix Contact GmbH products - CVE-2023-3569

Vulnerability identifier: #VU80552

Vulnerability risk: Low

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

CVE-ID: CVE-2023-3569

CWE-ID: CWE-776

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
TC ROUTER 3002T-4G
TC ROUTER 3002T-4G ATT
TC ROUTER 3002T-4G VZW
TC CLOUD CLIENT 1002-4G
TC CLOUD CLIENT 1002-4G ATT
TC CLOUD CLIENT 1002-4G VZW
CLOUD CLIENT 1101T-TX/TX

Software vendor:
Phoenix Contact GmbH

The vulnerability allows a remote user to perform a denial o service (DoS) attack.

The vulnerability exists due to improper restrictions on XML entities. A remote administrator can upload a specially crafted XML file and cause a denial of service condition on the target system.

Install updates from vendor's website.

• https://cert.vde.com/en/advisories/VDE-2023-017
• http://seclists.org/fulldisclosure/2023/Aug/12
• http://packetstormsecurity.com/files/174152/Phoenix-Contact-TC-Cloud-TC-Router-2.x-XSS-Memory-Consumption.html