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A security issues exists within Studio 5000 Logix Designer due to unsafe handling of environment variables. If the specified path lacks a valid file, Logix Designer crashes; However, it may be possible to execute malicious code without triggering a crash.

CVE-2025-7971 is a high-severity vulnerability identified in Rockwell Automation's Studio 5000 Logix Designer®, specifically version V36.00.02. The root cause of this vulnerability is improper input validation (CWE-20) related to the unsafe handling of environment variables. Studio 5000 Logix Designer is a widely used engineering software for programming and configuring industrial control systems, particularly programmable logic controllers (PLCs) in industrial automation environments. The vulnerability manifests when the software processes environment variables that specify file paths. If the specified path does not point to a valid file, the software crashes. However, more critically, it is possible for an attacker to craft malicious input that exploits this improper validation to execute arbitrary code without causing a crash. This suggests a potential for remote code execution or privilege escalation under certain conditions. The CVSS 4.0 base score of 7.3 reflects a high severity, with a vector indicating local attack vector (AV:L), high attack complexity (AC:H), no attack technique (AT:N), low privileges required (PR:L), user interaction required (UI:P), and high impacts on confidentiality, integrity, and availability (VC:H, VI:H, VA:H). The vulnerability requires local access and some user interaction, which somewhat limits its exploitation scope, but the impact of successful exploitation is severe, potentially allowing attackers to execute malicious code within critical industrial control environments. No known exploits are reported in the wild yet, and no patches have been released at the time of publication. Given the critical role of Studio 5000 in industrial automation, this vulnerability poses a significant risk to operational technology (OT) environments where it is deployed.

Detailed information about CVE-2025-7971: CWE-20: Improper Input Validation in Rockwell Automation Studio 5000 Logix Designer® affecting Rockwell Automation Stu

CVE-2025-7971: CWE-20: Improper Input Validation in Rockwell Automation Studio 5000 Logix Designer® - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2025-7971: CWE-20: Improper Input Validation in Rockwell Automation Studio 5000 Logix Designer®

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