Critical · published September 9, 2025
🚨 A stack-based buffer overflow in SIMATIC PCS neo could let attackers execute arbitrary code without so much as a login! 🔥 Think of this vulnerability like a hotel with a faulty security system—if someone finds the right way in, they can access any room and do whatever they please without needing a keycard! This flaw is absolutely devastating, allowing an unauthenticated attacker to gain complete control or trigger a denial of service, throwing your operations into chaos. The consequences could mean downtime, loss of data, and severe disruptions in your system's functionality.
Think of this vulnerability like a hotel with a faulty security system—if someone finds the right way in, they can access any room and do whatever they please without needing a keycard! The vulnerability exists within the User Management Component (UMC) of SIMATIC PCS neo versions prior to V6.0 SP1 Update 1 and V2.15.1.3. It allows a remote attacker to leverage a stack-based buffer overflow, potentially executing arbitrary code or crashing the system entirely.
This flaw is absolutely devastating, allowing an unauthenticated attacker to gain complete control or trigger a denial of service, throwing your operations into chaos. The consequences could mean downtime, loss of data, and severe disruptions in your system's functionality. Immediately upgrade to SIMATIC PCS neo V6.0 SP1 Update 1 or higher and ensure that the UMC is updated to version 2.15.1.3 or later. Regularly audit your systems and implement strong access controls to mitigate such vulnerabilities in the future. You’ve got this! Patch those systems and keep your infrastructure secure. 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| siemens/simatic_pcs_neo | all versions | — |
| siemens/simatic_pcs_neo | all versions | — |
| siemens/user_management_component | < 2.15.1.3 | 2.15.1.3 |