Rockwell Automation ControlFLASH

View CSAF
Summary
Successful exploitation of this vulnerability could give an attacker the ability to run any commands or code of the attacker's choice on a target machine at the logged-in user's permission level. The following versions of Rockwell Automation ControlFLASH are affected:

ControlFLASH <=V15.07 (CVE-2026-12663)





CVSS
Vendor
Equipment
Vulnerabilities




v3 7.3
Rockwell Automation
Rockwell Automation ControlFLASH
Missing Authentication for Critical Function




Background

Critical Infrastructure Sectors: Critical Manufacturing, Energy, Water and Wastewater
Countries/Areas Deployed: Worldwide Company Headquarters Location: United States


Vulnerabilities

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CVE-2026-12663

A security issue exists within ControlFLASH, where the installer grants write permissions to the "Everyone" group on a product installation directory. This could allow arbitrary code execution, resulting in an attacker being given the ability to run any commands or code of the attacker's choice on a target machine at the logged-in user's permission level. View CVE Details

Affected Products
Rockwell Automation ControlFLASH

Vendor:Rockwell Automation
Product Version:Rockwell Automation ControlFLASH: <=V15.07 Product Status:known_affected


Remediations
MitigationRockwell Automation has corrected this issue in software version 15.08, and encourages all users to update to the newest version. MitigationUsers of the affected software who are not able to upgrade to one of the corrected versions should implement the following mitigation: To protect the files, do the following steps to remove the Everyone group:

Right-click the C:\Program Files (x86)\ControlFLASH\0001 folder, and then select Properties.
In the 0001 Properties dialog, select the Security tab, and then select Edit. In the Permissions for 0001 dialog, in Group or user names, select Everyone, and then select Remove.
Select OK.

MitigationIf the mitigation above cannot be implemented, Rockwell Automation recommends following their security best practices.https://support.rockwellauto mation.com/app/answers/answer_view/a_id/1085012/loc/en_US#__highlight
MitigationFor more information on this issue, see the Rockwell Automation security advisory at: https://www.rockwellautomation.com/en-us/trust-center/sec urity-advisories.htmlhttps://www.rockwellautomation.com/en-us/trust-center/secu
rity-advisories.html

Relevant CWE: CWE-306 Missing Authentication for Critical Function

Metrics




CVSS Version
Base Score
Base Severity
Vector String




3.1
7.3
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H


4.0
7
HIGH
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N








Acknowledgments

Rockwell Automation reported this vulnerability to CISA.


Legal Notice and Terms of Use
This product is provided subject to this Notification (https://www.cisa.gov/notification) and this Privacy & Use policy (https://www.cisa.gov/privacy-policy).

Recommended Practices
CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets. Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation
Strategies.
Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.
CISA also recommends users take the following measures to protect themselves from social engineering attacks: Do not click web links or open attachments in unsolicited email messages. Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams. Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks. No known public exploitation specifically targeting this vulnerability has been reported to CISA at this time. This vulnerability is not exploitable remotely.

Revision History

Initial Release Date: 2026-09-03




Date
Revision
Summary




2026-09-03
1
Initial Republication of Rockwell Automation security advisory.




Legal Notice and Terms of Use

https://www.cisa.gov/news-events/ics-advisories/icsa-26-246-03

2026-09-03 12:00 UTC

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