The vulnerabilities of microprogrammed logic controllers such as Modicon M580, Modicon M340, Modicon MC80, Modicon Momentum Ethernet, Modicon Quantum, Modicon Premium, and the programming software for these controllers—EcoStruxure Control Expert and EcoStruxure Process Expert—allow a hacker to trigger malfunctions during maintenance operations.

Reading beyond memory buffer in Modicon controllers and EcoStruxure tools may cause malfunctions during maintenance.

Reporter	Title	Published	Views	Family All 10
CNNVD	Schneider Electric Modicon M580 CPU 缓冲区错误漏洞	2 Sep 202100:00	–	cnnvd
CVE	CVE-2021-22790	2 Sep 202116:52	–	cve
Cvelist	CVE-2021-22790	2 Sep 202116:52	–	cvelist
EUVD	EUVD-2021-9925	3 Oct 202520:07	–	euvd
NCSC	Vulnerabilities fixed in Schneider Electric EcoStruxure and Modicon products	12 Aug 202100:00	–	ncsc
NVD	CVE-2021-22790	2 Sep 202117:15	–	nvd
Prion	Out-of-bounds	2 Sep 202117:15	–	prion
RedhatCVE	CVE-2021-22790	9 Jan 202611:21	–	redhatcve
Tenable Nessus	Schneider Electric Modicon Out-of-bounds Read (CVE-2021-22790)	7 Feb 202200:00	–	nessus
Vulnrichment	CVE-2021-22790	2 Sep 202116:52	–	vulnrichment