CVE-2021-22788 | Schneider Electric Modicon M340 CPU Web Server out-of-bounds write (SEVD-2021-257-02)
A vulnerability has been found in Schneider Electric Modicon M340 CPU, Modicon M340 X80 Ethernet Communication Module, Modicon Premium Processor, Modicon Quantum Processor, Modicon Quantum Communication Module and Modicon Premium Communication Module and classified as critical. Affected by this vulnerability is an unknown functionality of the component Web Server. Performing a manipulation results in out-of-bounds write.
This vulnerability is identified as CVE-2021-22788. The attack can only be performed from the local network. There is not any exploit available.
The affected component should be upgraded.