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ID

VAR-202002-1688


TITLE

BeckHoff CX9020 has a buffer overflow vulnerability

Trust: 0.6

sources: CNVD: CNVD-2020-12846

DESCRIPTION

CX9020 is a PLC generated by BeckHoff. Its Webservice is used to remotely configure the PLC service. Through this service, users can configure the PLC with a browser. BeckHoff CX9020 has a buffer overflow vulnerability that could be exploited by an attacker to crash the service or potentially execute malicious code.

Trust: 0.6

sources: CNVD: CNVD-2020-12846

IOT TAXONOMY

category:['ICS']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2020-12846

AFFECTED PRODUCTS

vendor:beckhoffmodel:cx9020scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2020-12846

CVSS

SEVERITY

CVSSV2

CVSSV3

CNVD: CNVD-2020-12846
value: LOW

Trust: 0.6

CNVD: CNVD-2020-12846
severity: LOW
baseScore: 2.6
vectorString: AV:N/AC:H/AU:N/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: HIGH
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 4.9
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

sources: CNVD: CNVD-2020-12846

PATCH

title:BeckHoff CX9020 webservice has buffer overflow vulnerabilityurl:https://www.cnvd.org.cn/patchinfo/show/196853

Trust: 0.6

sources: CNVD: CNVD-2020-12846

EXTERNAL IDS

db:CNVDid:CNVD-2020-12846

Trust: 0.6

sources: CNVD: CNVD-2020-12846

SOURCES

db:CNVDid:CNVD-2020-12846

LAST UPDATE DATE

2022-05-04T10:21:45.256000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2020-12846date:2020-03-17T00:00:00

SOURCES RELEASE DATE

db:CNVDid:CNVD-2020-12846date:2020-02-24T00:00:00