ZDI-CAN-23158: ZDI-24-856: (Pwn2Own) Phoenix Contact CHARX SEC-3100 Config Manager Improper Input Validation Remote Code Execution Vulnerability
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Phoenix Contact CHARX SEC-3100 devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the CharxSystemConfigManager service, which listens on TCP port 5001 by default. The issue results from the lack of proper validation of a user-supplied string before using it to update a configuration. An attacker can leverage this vulnerability to execute code in the context of the service account.
Other sources
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Phoenix Contact CHARX SEC-3100 devices. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.5. The following CVEs are assigned: CVE-2024-25995.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-23158?
The severity of ZDI-CAN-23158 is considered critical due to the potential for remote code execution.
How do I fix ZDI-CAN-23158?
To fix ZDI-CAN-23158, update your Phoenix Contact CHARX SEC-3100 device to the latest version as recommended by the vendor.
Who is affected by ZDI-CAN-23158?
ZDI-CAN-23158 affects installations of Phoenix Contact CHARX SEC-3100 devices.
What type of attack is ZDI-CAN-23158 associated with?
ZDI-CAN-23158 is associated with network-adjacent attacks that can execute arbitrary code.
Is authentication required to exploit ZDI-CAN-23158?
No, authentication is not required to exploit the ZDI-CAN-23158 vulnerability.