CVE-2025-7971: Rockwell Automation Studio 5000 Logix Designer® · Improper Input Validation
Affects Rockwell Automation Studio 5000 Logix Designer®Source CVE Database V5
Not known to be exploited · CVSS 7.3 High.
Data as of 26 Oct 2026, 11:42 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:HExploitation evidence
Disclosed: evidence found.
CVE published 14 Aug 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Rockwell Automation Studio 5000 Logix Designer® | Affected
| Fixed in– |
AI-suggested
- Implement strict access controls to limit local access to systems running Studio 5000 Logix Designer, ensuring only authorized personnel can interact with the software.
- Enforce network segmentation between IT and OT environments to reduce the risk of attackers gaining local access to vulnerable systems.
- Conduct user training to minimize risky behaviors that could lead to exploitation, emphasizing the importance of cautious handling of environment variables and files related to Studio 5000.
- Monitor and audit environment variable configurations and file paths used by Studio 5000 to detect anomalies or unauthorized changes.
- Employ application whitelisting and endpoint protection solutions capable of detecting and blocking unauthorized code execution attempts.
- Prepare incident response plans specific to OT environments to quickly address potential exploitation.
- Engage with Rockwell Automation for updates and patches; apply them promptly once available.
- Consider deploying virtualized or sandboxed environments for engineering workstations to contain potential exploitation.
- Regularly review and update software configurations and maintain backups of control logic to enable rapid recovery if compromised.
Description
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.