The vulnerability of the Modbus protocol implementation in microprogrammed software for programmable logic controllers like Modicon Quantum arises from incorrect code generation. This allows attackers to trigger malfunctions during maintenance operations.

Modbus protocol flaw in PLC software causes malfunctions remotely due to incorrect code generation.

Reporter	Title	Published	Views	Family All 10
BDU FSTEC	The vulnerability of the microprogrammed logic controller Modicon Quantum, related to errors in code generation, allows a intruder to unauthorizedly modify the built-in software and cause malfunctions during maintenance.	18 Jun 201900:00	–	bdu_fstec
Circl	CVE-2019-6816	22 May 201920:48	–	circl
CVE	CVE-2019-6816	22 May 201919:54	–	cve
Cvelist	CVE-2019-6816	22 May 201919:54	–	cvelist
EUVD	EUVD-2019-16370	7 Oct 202500:30	–	euvd
NVD	CVE-2019-6816	22 May 201920:29	–	nvd
Tenable Nessus	Schneider-electric Modicon Improper Control of Generation of Code ('Code Injection')	8 Nov 201900:00	–	nessus
Tenable Nessus	Schneider Electric Modicon Code Injection (CVE-2019-6816)	7 Feb 202200:00	–	nessus
Prion	Code injection	22 May 201920:29	–	prion
RedhatCVE	CVE-2019-6816	22 May 202508:36	–	redhatcve