Details of VAR-202012-1379

ID

VAR-202012-1379

CVE

CVE-2020-7543

TITLE

plural Schneider Electric Product Exceptional Status Check Vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2020-014321

DESCRIPTION

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Legacy Controllers Modicon Quantum & Modicon Premium (see security notifications for affected versions), that could cause denial of service when a specially crafted Read Physical Memory request over Modbus is sent to the controller. plural Schneider Electric The product contains a vulnerability related to checking for exceptional conditions.Denial of service (DoS) It may be put into a state

Trust: 1.62

sources: NVD: CVE-2020-7543 // JVNDB: JVNDB-2020-014321

AFFECTED PRODUCTS

vendor:	schneider electric	model:	modicon m580 bmep583020	scope:	lt	version:	3.20	Trust: 1.0
vendor:	schneider electric	model:	bmxp3420102cl	scope:	lt	version:	3.30	Trust: 1.0
vendor:	schneider electric	model:	modicon m580 bmep582020	scope:	lt	version:	3.20	Trust: 1.0
vendor:	schneider electric	model:	bmxp342020	scope:	lt	version:	3.30	Trust: 1.0
vendor:	schneider electric	model:	modicon m580 bmep584020	scope:	lt	version:	3.20	Trust: 1.0
vendor:	schneider electric	model:	bmxp341000	scope:	lt	version:	3.30	Trust: 1.0
vendor:	schneider electric	model:	modicon m580 bmep581020	scope:	lt	version:	3.20	Trust: 1.0
vendor:	schneider electric	model:	modicon m580 bmep583040	scope:	lt	version:	3.20	Trust: 1.0
vendor:	schneider electric	model:	bmxp3420102	scope:	lt	version:	3.30	Trust: 1.0
vendor:	schneider electric	model:	bmxp3420302	scope:	lt	version:	3.30	Trust: 1.0
vendor:	schneider electric	model:	modicon m580 bmep586040	scope:	lt	version:	3.20	Trust: 1.0
vendor:	schneider electric	model:	modicon m580 bmep585040	scope:	lt	version:	3.20	Trust: 1.0
vendor:	schneider electric	model:	bmxp342000	scope:	lt	version:	3.30	Trust: 1.0
vendor:	schneider electric	model:	bmxp3420302cl	scope:	lt	version:	3.30	Trust: 1.0
vendor:	schneider electric	model:	modicon m580 bmep582040	scope:	lt	version:	3.20	Trust: 1.0
vendor:	schneider electric	model:	modicon m580 bmep584040	scope:	lt	version:	3.20	Trust: 1.0
vendor:	schneider electric	model:	bmep586040	scope:	-	version:	-	Trust: 0.8
vendor:	schneider electric	model:	bmep584040	scope:	-	version:	-	Trust: 0.8
vendor:	schneider electric	model:	bmep582020	scope:	-	version:	-	Trust: 0.8
vendor:	schneider electric	model:	bmep582040	scope:	-	version:	-	Trust: 0.8
vendor:	schneider electric	model:	bmep585040	scope:	-	version:	-	Trust: 0.8
vendor:	schneider electric	model:	bmep583040	scope:	-	version:	-	Trust: 0.8
vendor:	schneider electric	model:	bmep581020	scope:	-	version:	-	Trust: 0.8
vendor:	schneider electric	model:	bmep583020	scope:	-	version:	-	Trust: 0.8
vendor:	schneider electric	model:	bmxp341000	scope:	-	version:	-	Trust: 0.8
vendor:	schneider electric	model:	bmep584020	scope:	-	version:	-	Trust: 0.8

sources: JVNDB: JVNDB-2020-014321 // NVD: CVE-2020-7543

CVSS

SEVERITY

CVSSV2

CVSSV3

NVD:	CVE-2020-7543
value:	HIGH
Trust: 1.8
CNNVD:	CNNVD-202012-820
value:	HIGH
Trust: 0.6

NVD:	CVE-2020-7543
severity:	MEDIUM
baseScore:	5.0
vectorString:	AV:N/AC:L/AU:N/C:N/I:N/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	PARTIAL
exploitabilityScore:	NONE
impactScore:	NONE
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.8

NVD:	CVE-2020-7543
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	3.6
version:	3.1
Trust: 1.0
NVD:	CVE-2020-7543
baseSeverity:	HIGH
baseScore:	7.5
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	NONE
integrityImpact:	NONE
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: JVNDB: JVNDB-2020-014321 // CNNVD: CNNVD-202012-820 // NVD: CVE-2020-7543

PROBLEMTYPE DATA

problemtype:	CWE-754	Trust: 1.0
problemtype:	Improper checking in exceptional conditions (CWE-754) [ Other ]	Trust: 0.8

sources: JVNDB: JVNDB-2020-014321 // NVD: CVE-2020-7543

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202012-820

TYPE

code problem

Trust: 0.6

sources: CNNVD: CNNVD-202012-820

CONFIGURATIONS

sources: NVD: CVE-2020-7543

PATCH

title:	SEVD-2020-343-08	url:	https://www.se.com/ww/en/download/document/sevd-2020-343-08/	Trust: 0.8
title:	Multiple Schneider Electric Product code issue vulnerability fixes	url:	http://www.cnnvd.org.cn/web/xxk/bdxqbyid.tag?id=136964	Trust: 0.6

sources: JVNDB: JVNDB-2020-014321 // CNNVD: CNNVD-202012-820

EXTERNAL IDS

db:	NVD	id:	CVE-2020-7543	Trust: 2.4
db:	SCHNEIDER	id:	SEVD-2020-343-08	Trust: 1.6
db:	JVNDB	id:	JVNDB-2020-014321	Trust: 0.8
db:	CNNVD	id:	CNNVD-202012-820	Trust: 0.6

sources: JVNDB: JVNDB-2020-014321 // CNNVD: CNNVD-202012-820 // NVD: CVE-2020-7543

REFERENCES

url:	https://www.se.com/ww/en/download/document/sevd-2020-343-08/	Trust: 1.6
url:	https://nvd.nist.gov/vuln/detail/cve-2020-7543	Trust: 1.4

sources: JVNDB: JVNDB-2020-014321 // CNNVD: CNNVD-202012-820 // NVD: CVE-2020-7543

SOURCES

db:	JVNDB	id:	JVNDB-2020-014321
db:	CNNVD	id:	CNNVD-202012-820
db:	NVD	id:	CVE-2020-7543

LAST UPDATE DATE

2022-05-04T08:52:21.145000+00:00

SOURCES UPDATE DATE

db:	JVNDB	id:	JVNDB-2020-014321	date:	2021-08-13T08:50:00
db:	CNNVD	id:	CNNVD-202012-820	date:	2020-12-16T00:00:00
db:	NVD	id:	CVE-2020-7543	date:	2021-08-18T22:42:00

SOURCES RELEASE DATE

db:	JVNDB	id:	JVNDB-2020-014321	date:	2021-08-13T00:00:00
db:	CNNVD	id:	CNNVD-202012-820	date:	2020-12-10T00:00:00
db:	NVD	id:	CVE-2020-7543	date:	2020-12-11T01:15:00