ID

VAR-202110-0992


CVE

CVE-2021-38436


TITLE

FATEK Automation WinProladder  Buffer error vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2021-013918

DESCRIPTION

FATEK Automation WinProladder versions 3.30 and prior lacks proper validation of user-supplied data when parsing project files, which could result in a memory-corruption condition. An attacker could leverage this vulnerability to execute arbitrary code in the context of the current process. FATEK Automation WinProladder Exists in a buffer error vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. FATEK Automation WinProladder is a PLC of China FATEK Automation Company

Trust: 2.25

sources: NVD: CVE-2021-38436 // JVNDB: JVNDB-2021-013918 // CNVD: CNVD-2021-83603 // VULMON: CVE-2021-38436

IOT TAXONOMY

category:['ICS']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-83603

AFFECTED PRODUCTS

vendor:fatekmodel:winproladderscope:lteversion:3.30

Trust: 1.0

vendor:fatek automationmodel:winproladderscope:eqversion: -

Trust: 0.8

vendor:fatek automationmodel:winproladderscope:lteversion:3.30 and earlier

Trust: 0.8

vendor:fatekmodel:automation winproladderscope:lteversion:<=3.30

Trust: 0.6

sources: CNVD: CNVD-2021-83603 // JVNDB: JVNDB-2021-013918 // NVD: CVE-2021-38436

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-38436
value: HIGH

Trust: 1.0

ics-cert@hq.dhs.gov: CVE-2021-38436
value: HIGH

Trust: 1.0

NVD: CVE-2021-38436
value: HIGH

Trust: 0.8

CNVD: CNVD-2021-83603
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202110-405
value: HIGH

Trust: 0.6

VULMON: CVE-2021-38436
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-38436
severity: MEDIUM
baseScore: 6.8
vectorString: AV:N/AC:M/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 8.6
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

CNVD: CNVD-2021-83603
severity: MEDIUM
baseScore: 6.8
vectorString: AV:N/AC:M/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 8.6
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-38436
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 1.8
impactScore: 5.9
version: 3.1

Trust: 2.0

OTHER: JVNDB-2021-013918
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2021-83603 // VULMON: CVE-2021-38436 // JVNDB: JVNDB-2021-013918 // CNNVD: CNNVD-202110-405 // NVD: CVE-2021-38436 // NVD: CVE-2021-38436

PROBLEMTYPE DATA

problemtype:CWE-119

Trust: 1.0

problemtype:CWE-787

Trust: 1.0

problemtype:Buffer error (CWE-119) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-013918 // NVD: CVE-2021-38436

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202110-405

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202110-405

PATCH

title:Top Pageurl:https://www.fatek.com/en

Trust: 0.8

title:FATEK Automation WinProladder Buffer error vulnerability fixurl:http://123.124.177.30/web/xxk/bdxqById.tag?id=166187

Trust: 0.6

sources: JVNDB: JVNDB-2021-013918 // CNNVD: CNNVD-202110-405

EXTERNAL IDS

db:NVDid:CVE-2021-38436

Trust: 3.9

db:ICS CERTid:ICSA-21-280-06

Trust: 3.1

db:JVNid:JVNVU93626160

Trust: 0.8

db:JVNDBid:JVNDB-2021-013918

Trust: 0.8

db:CNVDid:CNVD-2021-83603

Trust: 0.6

db:CS-HELPid:SB2021100805

Trust: 0.6

db:AUSCERTid:ESB-2021.3351

Trust: 0.6

db:CNNVDid:CNNVD-202110-405

Trust: 0.6

db:VULMONid:CVE-2021-38436

Trust: 0.1

sources: CNVD: CNVD-2021-83603 // VULMON: CVE-2021-38436 // JVNDB: JVNDB-2021-013918 // CNNVD: CNNVD-202110-405 // NVD: CVE-2021-38436

REFERENCES

url:https://us-cert.cisa.gov/ics/advisories/icsa-21-280-06

Trust: 2.9

url:https://nvd.nist.gov/vuln/detail/cve-2021-38436

Trust: 1.4

url:http://jvn.jp/vu/jvnvu93626160/index.html

Trust: 0.8

url:https://www.cisa.gov/uscert/ics/advisories/icsa-21-280-06

Trust: 0.8

url:https://www.auscert.org.au/bulletins/esb-2021.3351

Trust: 0.6

url:https://www.cybersecurity-help.cz/vdb/sb2021100805

Trust: 0.6

url:https://cwe.mitre.org/data/definitions/119.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2021-83603 // VULMON: CVE-2021-38436 // JVNDB: JVNDB-2021-013918 // CNNVD: CNNVD-202110-405 // NVD: CVE-2021-38436

CREDITS

reported these vulnerabilities to CISA.,xina1i and Natnael Samson (@NattiSamson), working with Trend Micro’s Zero Day Initiative

Trust: 0.6

sources: CNNVD: CNNVD-202110-405

SOURCES

db:CNVDid:CNVD-2021-83603
db:VULMONid:CVE-2021-38436
db:JVNDBid:JVNDB-2021-013918
db:CNNVDid:CNNVD-202110-405
db:NVDid:CVE-2021-38436

LAST UPDATE DATE

2024-08-14T13:23:18.792000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2021-83603date:2022-01-18T00:00:00
db:VULMONid:CVE-2021-38436date:2021-10-21T00:00:00
db:JVNDBid:JVNDB-2021-013918date:2022-09-29T07:22:00
db:CNNVDid:CNNVD-202110-405date:2022-10-26T00:00:00
db:NVDid:CVE-2021-38436date:2022-10-25T15:28:05.317

SOURCES RELEASE DATE

db:CNVDid:CNVD-2021-83603date:2021-10-07T00:00:00
db:VULMONid:CVE-2021-38436date:2021-10-18T00:00:00
db:JVNDBid:JVNDB-2021-013918date:2022-09-29T00:00:00
db:CNNVDid:CNNVD-202110-405date:2021-10-07T00:00:00
db:NVDid:CVE-2021-38436date:2021-10-18T13:15:09.757