High severity7.5NVD Advisory· Published Jun 16, 2020· Updated Jun 17, 2026
CVE-2020-7502
CVE-2020-7502
Description
A CWE-787: Out-of-bounds Write vulnerability exists in Modicon M218 Logic Controller (Firmware version 4.3 and prior), which may cause a Denial of Service when specific TCP/IP crafted packets are sent to the Modicon M218 Logic Controller.
Affected products
3- cpe:2.3:o:schneider-electric:modicon_m218_firmware:*:*:*:*:*:*:*:*Range: <=4.3
- Schneider Electric/M218 Logic Controllerdescription
- Range: <=4.3
Patches
Vulnerability mechanics
References
1- www.se.com/ww/en/download/document/SEVD-2020-161-01nvdVendor Advisory
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