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ID

VAR-202104-1016


CVE

CVE-2021-27486


TITLE

FATEK Automation  Made  WinProladder  Integer underflow vulnerabilities

Trust: 0.8

sources: JVNDB: JVNDB-2021-001371

DESCRIPTION

FATEK Automation WinProladder Versions 3.30 and prior is vulnerable to an integer underflow, which may cause an out-of-bounds write and allow an attacker to execute arbitrary code. FATEK Automation Provided by the company WinProladder Is Windows Ladder programming software for. The official version of WinProLadder is a very good practical PLC programming tool

Trust: 2.25

sources: NVD: CVE-2021-27486 // JVNDB: JVNDB-2021-001371 // CNVD: CNVD-2021-27998 // VULMON: CVE-2021-27486

IOT TAXONOMY

category:['ICS']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-27998

AFFECTED PRODUCTS

vendor:fatekmodel:winproladderscope:lteversion:3.30

Trust: 1.0

vendor:fatek automationmodel:winproladderscope:eqversion: -

Trust: 0.8

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

Trust: 0.8

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

Trust: 0.6

sources: CNVD: CNVD-2021-27998 // JVNDB: JVNDB-2021-001371 // NVD: CVE-2021-27486

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-27486
value: HIGH

Trust: 1.0

IPA: JVNDB-2021-001371
value: HIGH

Trust: 0.8

CNVD: CNVD-2021-27998
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202104-665
value: HIGH

Trust: 0.6

VULMON: CVE-2021-27486
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-27486
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: 1.1

CNVD: CNVD-2021-27998
severity: HIGH
baseScore: 7.2
vectorString: AV:L/AC:L/AU:N/C:C/I:C/A:C
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 3.9
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-27486
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: 1.0

IPA: JVNDB-2021-001371
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-2021-27998 // VULMON: CVE-2021-27486 // JVNDB: JVNDB-2021-001371 // CNNVD: CNNVD-202104-665 // NVD: CVE-2021-27486

PROBLEMTYPE DATA

problemtype:CWE-191

Trust: 1.0

problemtype:Integer underflow (CWE-191) [IPA Evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-001371 // NVD: CVE-2021-27486

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202104-665

TYPE

digital error

Trust: 0.6

sources: CNNVD: CNNVD-202104-665

PATCH

title:Fatek customer support FATEK Automationurl:https://www.fatek.com/en/download.php

Trust: 0.8

title:FATEK Automation WinProladder Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=147239

Trust: 0.6

sources: JVNDB: JVNDB-2021-001371 // CNNVD: CNNVD-202104-665

EXTERNAL IDS

db:NVDid:CVE-2021-27486

Trust: 3.1

db:ICS CERTid:ICSA-21-098-01

Trust: 3.1

db:JVNid:JVNVU95356207

Trust: 0.8

db:JVNDBid:JVNDB-2021-001371

Trust: 0.8

db:CNVDid:CNVD-2021-27998

Trust: 0.6

db:CNNVDid:CNNVD-202104-665

Trust: 0.6

db:VULMONid:CVE-2021-27486

Trust: 0.1

sources: CNVD: CNVD-2021-27998 // VULMON: CVE-2021-27486 // JVNDB: JVNDB-2021-001371 // CNNVD: CNNVD-202104-665 // NVD: CVE-2021-27486

REFERENCES

url:https://us-cert.cisa.gov/ics/advisories/icsa-21-098-01

Trust: 3.1

url:http://jvn.jp/cert/jvnvu95356207

Trust: 0.8

url:https://nvd.nist.gov/vuln/detail/cve-2021-27486

Trust: 0.6

url:https://cwe.mitre.org/data/definitions/191.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2021-27998 // VULMON: CVE-2021-27486 // JVNDB: JVNDB-2021-001371 // CNNVD: CNNVD-202104-665 // NVD: CVE-2021-27486

SOURCES

db:CNVDid:CNVD-2021-27998
db:VULMONid:CVE-2021-27486
db:JVNDBid:JVNDB-2021-001371
db:CNNVDid:CNNVD-202104-665
db:NVDid:CVE-2021-27486

LAST UPDATE DATE

2024-11-23T22:54:48.377000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2021-27998date:2021-04-19T00:00:00
db:VULMONid:CVE-2021-27486date:2021-04-22T00:00:00
db:JVNDBid:JVNDB-2021-001371date:2021-04-16T00:00:00
db:CNNVDid:CNNVD-202104-665date:2021-04-23T00:00:00
db:NVDid:CVE-2021-27486date:2024-11-21T05:58:05.300

SOURCES RELEASE DATE

db:CNVDid:CNVD-2021-27998date:2021-04-13T00:00:00
db:VULMONid:CVE-2021-27486date:2021-04-12T00:00:00
db:JVNDBid:JVNDB-2021-001371date:2021-04-16T00:00:00
db:CNNVDid:CNNVD-202104-665date:2021-04-12T00:00:00
db:NVDid:CVE-2021-27486date:2021-04-12T15:15:15.530