Advisory Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Voltronic Power ViewPower. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the RMI interface, which listens on TCP port 51099 by default. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.

08/03/23 – ZDI made multiple attempts to contact the vendor across sales, support, and professional networking channels, which yielded no response from the vendor. We also contacted CISA, who was unsuccessful in receiving a response from the vendor.

-- Mitigation: Given the nature of the vulnerability, the only salient mitigation strategy is to restrict interaction with the application.

• 2023-11-17 - Vulnerability reported to vendor
• 2023-12-20 - Coordinated public release of advisory