Schneider Electric Modicon Out-of-bounds Read (CVE-2021-22790)

A CWE-125: Out-of-bounds Read vulnerability that could cause a Denial of Service on the Modicon PLC controller / simulator when updating the controller application with a specially crafted project file exists in Modicon M580 CPU part numbers BMEP and BMEH, all versions, Modicon M340 CPU part...

CVE-2021-22790

CVE-2021-22790 is an out-of-bounds read (CWE-125) vulnerability affecting Schneider Electric Modicon/M580/M340/MC80/Momentum Ethernet/Quantum/Premium CPUs and PLC simulators, triggered by a specially crafted project file. Root cause: out-of-bounds read could cause Denial of Service on Modicon PLC...