Improper input validation in Rockwell Automation Studio 5000 Logix Designer®

CVE-2025-7971

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published · last modified .

EPSS exploit prediction

EPSS: 0.001 (2.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-7971: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-7971?
CVE-2025-7971 is a vulnerability in Rockwell Automation Studio 5000 Logix Designer®, classified under Improper Input Validation. Published 2025-08-14.
Is CVE-2025-7971 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.