A CWE-248: Uncaught Exception vulnerability exists IN Modicon M580 all versions prior to V2.80, which could cause a possible denial of service when sending an appropriately timed HTTP request to the controller.
https://www.cisa.gov/news-events/ics-advisories/icsa-25-114-01
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/