Rockwell Automation Historian ME

View CSAF Summary Successful exploitation of these vulnerabilities could crash the device being accessed; an out-of-bounds write condition may allow remote code execution. The following versions of Rockwell Automation Historian ME are affected: Series B 5.202 (CVE-2025-12768, CVE-2026-12661) Series C 7.101 (CVE-2025-12768, CVE-2026-12661) CVSS Vendor Equipment Vulnerabilities v3 8 Rockwell Automation Rockwell Automation Historian ME Out-of-bounds Write, Stack-based Buffer Overflow Background Critical Infrastructure Sectors: Chemical, Critical Manufacturing, Food and Agriculture, Healthcare and Public Health, Water and Wastewater Systems Countries/Areas Deployed: Worldwide Company Headquarters Location: United States Vulnerabilities Expand All + CVE-2025-12768 A security issue exists within FactoryTalk® Historian Machine Edition. An attacker with low-level authentication could exploit this vulnerability to achieveremote code execution on the affected device. View CVE Details Affected Products Rockwell Automation Historian ME Vendor: Rockwell Automation Product Version: Rockwell Automation Series B: 5.202, Rockwell Automation Series C: 7.101 Product Status: known_affected Remediations Mitigation Customers using the affected software, who are not able to upgrade to one of the corrected versions, should use Rockwell Automations security best practices found at https://support.rockwellautomation.com/app/answers/answer_view/a_id/1085012/loc/en_US#__highlight. https://support.rockwellautomation.com/app/answers/answer_view/a_id/1085012/loc/en_US#__highlight Mitigation If you have any questions regarding the security issue(s) above and how to mitigate them, contact TechConnect for help. More information can be found at https://www.rockwellautomation.com/en-us/company/about-us/contact-us.html. https://www.rockwellautomation.com/en-us/company/about-us/contact-us.html Mitigation If you have any questions regarding this disclosure, please contact PSIRT Email: rasecure@ra.rockwell.com mailto:rasecure@ra.rockwell.com Relevant CWE: CWE-787 Out-of-bounds Write Metrics CVSS Version Base Score Base Severity Vector String 3.1 8 HIGH CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H 4.0 8.6 HIGH CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVE-2026-12661 A denial-of-service security issue exists within FactoryTalk® Historian Machine Edition. A network adjacent attacker who is authenticated could send craftedrequests to the web interface, resulting in buffer overflow conditions that may cause the device to crash and become unresponsive. View CVE Details Affected Products Rockwell Automation Historian ME Vendor: Rockwell Automation Product Version: Rockwell Automation Series B: 5.202, Rockwell Automation Series C: 7.101 Product Status: known_affected Remediations Mitigation Customers using the affected software, who are not able to upgrade to one of the corrected versions, should use Rockwell Automations security best practices found at https://support.rockwellautomation.com/app/answers/answer_view/a_id/1085012/loc/en_US#__highlight. https://support.rockwellautomation.com/app/answers/answer_view/a_id/1085012/loc/en_US#__highlight Mitigation If you have any questions regarding the security issue(s) above and how to mitigate them, contact TechConnect for help. More information can be found at https://www.rockwellautomation.com/en-us/company/about-us/contact-us.html. https://www.rockwellautomation.com/en-us/company/about-us/contact-us.html Mitigation If you have any questions regarding this disclosure, please contact PSIRT Email: rasecure@ra.rockwell.com mailto:rasecure@ra.rockwell.com Relevant CWE: CWE-121 Stack-based Buffer Overflow Metrics CVSS Version Base Score Base Severity Vector String 3.1 4.5 MEDIUM CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H 4.0 4.8 MEDIUM CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N Acknowledgments Rockwell Automation reported these vulnerabilities to CISA Legal Notice and Terms of Use This