OT / SCADARockwell ControlLogix 5580 CIP Flaw Allows Unauthenticated Denial of Service
Rockwell Automation and CISA release advisory for ControlLogix 5580 controllers, patching a critical CIP protocol memory stride overflow (CVE-2026-70820).
Topic
4 articles
CyberSecureToday covers CIP Protocol across 4 articles published between 22 Sep 2026 and 11 Oct 2026.
The coverage includes 4 vulnerability advisories. 4 advisories are rated critical or high severity.
Stories on CIP Protocol most often intersect with Rockwell Automation, ControlLogix and IEC 62443, with Industrial, OT & IoT the most affected sector. The most recent story, “Rockwell ControlLogix 5580 CIP Flaw Allows Unauthenticated Denial of Service”, was published 11 Oct 2026. Every article is listed below, newest first, with the affected products, severity and remediation guidance in each piece.
OT / SCADARockwell Automation and CISA release advisory for ControlLogix 5580 controllers, patching a critical CIP protocol memory stride overflow (CVE-2026-70820).
OT / SCADAOmron and JPCERT/CC issue security advisories detailing an unauthenticated session hijacking flaw in Sysmac NJ and NX controllers exposing industrial motion controls.
OT / SCADACISA and Rockwell Automation disclose multiple CIP packet parsing flaws in RSLinx Classic (ICSA-26-244-01), enabling attackers to crash industrial SCADA communication gateways.
OT / SCADACISA and Rockwell Automation issue advisory ICSA-26-244-03 for ControlLogix and CompactLogix PLCs where CIP message parsing flaws trigger fatal controller crashes.