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ID

VAR-202105-0855


CVE

CVE-2021-30195


TITLE

CODESYS V2 runtime  system   Out-of-bounds read vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2021-007129

DESCRIPTION

CODESYS V2 runtime system before 2.4.7.55 has Improper Input Validation. CODESYS V2 runtime system Is vulnerable to an out-of-bounds read.Denial of service (DoS) It may be put into a state

Trust: 1.62

sources: NVD: CVE-2021-30195 // JVNDB: JVNDB-2021-007129

AFFECTED PRODUCTS

vendor:codesysmodel:plcwinntscope:ltversion:2.4.7.55

Trust: 1.0

vendor:codesysmodel:runtime toolkitscope:ltversion:2.4.7.55

Trust: 1.0

vendor:3s smartmodel:codesys plcwinntscope: - version: -

Trust: 0.8

vendor:3s smartmodel:codesys runtime toolkitscope: - version: -

Trust: 0.8

sources: JVNDB: JVNDB-2021-007129 // NVD: CVE-2021-30195

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-30195
value: HIGH

Trust: 1.0

NVD: CVE-2021-30195
value: HIGH

Trust: 0.8

CNNVD: CNNVD-202105-1627
value: HIGH

Trust: 0.6

nvd@nist.gov: CVE-2021-30195
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: 10.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

nvd@nist.gov: CVE-2021-30195
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-2021-30195
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-2021-007129 // CNNVD: CNNVD-202105-1627 // NVD: CVE-2021-30195

PROBLEMTYPE DATA

problemtype:CWE-125

Trust: 1.0

problemtype:Out-of-bounds read (CWE-125) [NVD Evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-007129 // NVD: CVE-2021-30195

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202105-1627

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202105-1627

PATCH

title:Advisory 2021-06url:https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14725&token=08691519ef764b252630759eff925890176ecd78&download=

Trust: 0.8

sources: JVNDB: JVNDB-2021-007129

EXTERNAL IDS

db:NVDid:CVE-2021-30195

Trust: 3.2

db:JVNid:JVNVU97061687

Trust: 0.8

db:ICS CERTid:ICSA-21-173-03

Trust: 0.8

db:JVNDBid:JVNDB-2021-007129

Trust: 0.8

db:CNNVDid:CNNVD-202105-1627

Trust: 0.6

sources: JVNDB: JVNDB-2021-007129 // CNNVD: CNNVD-202105-1627 // NVD: CVE-2021-30195

REFERENCES

url:https://customers.codesys.com/index.php

Trust: 1.6

url:https://customers.codesys.com/index.php?eid=dumpfile&t=f&f=14725&token=08691519ef764b252630759eff925890176ecd78&download=

Trust: 1.6

url:https://jvn.jp/vu/jvnvu97061687/index.html

Trust: 0.8

url:https://nvd.nist.gov/vuln/detail/cve-2021-30195

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url:https://www.cisa.gov/uscert/ics/advisories/icsa-21-173-03

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sources: JVNDB: JVNDB-2021-007129 // CNNVD: CNNVD-202105-1627 // NVD: CVE-2021-30195

SOURCES

db:JVNDBid:JVNDB-2021-007129
db:CNNVDid:CNNVD-202105-1627
db:NVDid:CVE-2021-30195

LAST UPDATE DATE

2024-08-14T12:37:05.007000+00:00


SOURCES UPDATE DATE

db:JVNDBid:JVNDB-2021-007129date:2022-02-03T06:36:00
db:CNNVDid:CNNVD-202105-1627date:2021-05-27T00:00:00
db:NVDid:CVE-2021-30195date:2021-05-26T12:57:43.503

SOURCES RELEASE DATE

db:JVNDBid:JVNDB-2021-007129date:2022-02-03T00:00:00
db:CNNVDid:CNNVD-202105-1627date:2021-05-25T00:00:00
db:NVDid:CVE-2021-30195date:2021-05-25T13:15:17.940