Details of VAR-202108-0115

ID

VAR-202108-0115

CVE

CVE-2020-18753

TITLE

Dut Computer Control Engineering Co. PLC MAC1100 Vulnerability regarding lack of authentication in

Trust: 0.8

sources: JVNDB: JVNDB-2019-016515

DESCRIPTION

An issue in Dut Computer Control Engineering Co.'s PLC MAC1100 allows attackers to gain access to the system and escalate privileges via a crafted packet. Dut Computer Control Engineering Co. PLC MAC1100 Exists in a vulnerability related to the lack of authentication.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. MAC1100 PLC is an industrial control product PLC. There is a security loophole in MAC1100 PLC. Attackers can use this loophole to access the system and upgrade privileges through an elaborate package

Trust: 2.25

sources: NVD: CVE-2020-18753 // JVNDB: JVNDB-2019-016515 // CNVD: CNVD-2021-62449 // VULMON: CVE-2020-18753

IOT TAXONOMY

category:

['ICS']

sub_category:

Trust: 0.6

sources: CNVD: CNVD-2021-62449

AFFECTED PRODUCTS

vendor:	dcce	model:	mac1100 plc	scope:	eq	version:	-	Trust: 1.0
vendor:	dut computer control engineering	model:	mac1100 plc	scope:	eq	version:	mac1100 plc firmware	Trust: 0.8
vendor:	dut computer control engineering	model:	mac1100 plc	scope:	eq	version:	-	Trust: 0.8
vendor:	dut computer control engineering	model:	mac1100 plc	scope:	-	version:	-	Trust: 0.8
vendor:	dut	model:	computer control engineering co. ltd mac1100 plc	scope:	-	version:	-	Trust: 0.6

sources: CNVD: CNVD-2021-62449 // JVNDB: JVNDB-2019-016515 // NVD: CVE-2020-18753

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2020-18753
value:	CRITICAL
Trust: 1.0
NVD:	CVE-2020-18753
value:	CRITICAL
Trust: 0.8
CNVD:	CNVD-2021-62449
value:	HIGH
Trust: 0.6
CNNVD:	CNNVD-202108-1385
value:	CRITICAL
Trust: 0.6
VULMON:	CVE-2020-18753
value:	HIGH
Trust: 0.1

nvd@nist.gov:	CVE-2020-18753
severity:	HIGH
baseScore:	7.5
vectorString:	AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	PARTIAL
integrityImpact:	PARTIAL
availabilityImpact:	PARTIAL
exploitabilityScore:	10.0
impactScore:	6.4
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.9
CNVD:	CNVD-2021-62449
severity:	HIGH
baseScore:	10.0
vectorString:	AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	10.0
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 0.6

nvd@nist.gov:	CVE-2020-18753
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	5.9
version:	3.1
Trust: 1.0
NVD:	CVE-2020-18753
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: CNVD: CNVD-2021-62449 // VULMON: CVE-2020-18753 // JVNDB: JVNDB-2019-016515 // CNNVD: CNNVD-202108-1385 // NVD: CVE-2020-18753

PROBLEMTYPE DATA

problemtype:	CWE-862	Trust: 1.0
problemtype:	Lack of authentication (CWE-862) [NVD evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2019-016515 // NVD: CVE-2020-18753

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202108-1385

TYPE

other

Trust: 0.6

sources: CNNVD: CNNVD-202108-1385

PATCH

title:	Top Page	url:	http://www.dcce.cn	Trust: 0.8
title:	Patch for MAC1100 PLC Privilege Escalation Vulnerability	url:	https://www.cnvd.org.cn/patchInfo/show/286046	Trust: 0.6

sources: CNVD: CNVD-2021-62449 // JVNDB: JVNDB-2019-016515

EXTERNAL IDS

db:	NVD	id:	CVE-2020-18753	Trust: 3.9
db:	JVNDB	id:	JVNDB-2019-016515	Trust: 0.8
db:	CNVD	id:	CNVD-2021-62449	Trust: 0.6
db:	CNNVD	id:	CNNVD-202108-1385	Trust: 0.6
db:	VULMON	id:	CVE-2020-18753	Trust: 0.1

sources: CNVD: CNVD-2021-62449 // VULMON: CVE-2020-18753 // JVNDB: JVNDB-2019-016515 // CNNVD: CNNVD-202108-1385 // NVD: CVE-2020-18753

REFERENCES

url:	https://github.com/ni9htmar3/vulnerability/blob/master/plc/dcce/dcce%20mac1100%20plc_start-stop.md	Trust: 3.1
url:	https://nvd.nist.gov/vuln/detail/cve-2020-18753	Trust: 0.8
url:	https://cwe.mitre.org/data/definitions/862.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1

sources: CNVD: CNVD-2021-62449 // VULMON: CVE-2020-18753 // JVNDB: JVNDB-2019-016515 // CNNVD: CNNVD-202108-1385 // NVD: CVE-2020-18753

SOURCES

db:	CNVD	id:	CNVD-2021-62449
db:	VULMON	id:	CVE-2020-18753
db:	JVNDB	id:	JVNDB-2019-016515
db:	CNNVD	id:	CNNVD-202108-1385
db:	NVD	id:	CVE-2020-18753

LAST UPDATE DATE

2024-08-14T14:50:12.974000+00:00

SOURCES UPDATE DATE

db:	CNVD	id:	CNVD-2021-62449	date:	2021-09-07T00:00:00
db:	VULMON	id:	CVE-2020-18753	date:	2021-08-25T00:00:00
db:	JVNDB	id:	JVNDB-2019-016515	date:	2022-07-11T07:44:00
db:	CNNVD	id:	CNNVD-202108-1385	date:	2021-08-26T00:00:00
db:	NVD	id:	CVE-2020-18753	date:	2021-08-25T14:54:05.143

SOURCES RELEASE DATE

db:	CNVD	id:	CNVD-2021-62449	date:	2021-08-17T00:00:00
db:	VULMON	id:	CVE-2020-18753	date:	2021-08-13T00:00:00
db:	JVNDB	id:	JVNDB-2019-016515	date:	2022-07-11T00:00:00
db:	CNNVD	id:	CNNVD-202108-1385	date:	2021-08-13T00:00:00
db:	NVD	id:	CVE-2020-18753	date:	2021-08-13T17:15:16.277