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ID

VAR-202108-1804


CVE

CVE-2021-36764


TITLE

CODESYS Gateway  In  NULL  Pointer dereference vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2021-012042

DESCRIPTION

In CODESYS Gateway V3 before 3.5.17.10, there is a NULL Pointer Dereference. Crafted communication requests may cause a Null pointer dereference in the affected CODESYS products and may result in a denial-of-service condition. CODESYS Gateway for, NULL There is a vulnerability in pointer dereference.Service operation interruption (DoS) It may be in a state

Trust: 1.8

sources: NVD: CVE-2021-36764 // JVNDB: JVNDB-2021-012042 // VULHUB: VHN-398616 // VULMON: CVE-2021-36764

AFFECTED PRODUCTS

vendor:codesysmodel:gatewayscope:gteversion:3.0

Trust: 1.0

vendor:codesysmodel:gatewayscope:ltversion:3.5.17.10

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vendor:codesysmodel:gatewayscope:eqversion: -

Trust: 0.8

vendor:codesysmodel:gatewayscope:eqversion:3 that's all 3.5.17.10

Trust: 0.8

sources: JVNDB: JVNDB-2021-012042 // NVD: CVE-2021-36764

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-36764
value: HIGH

Trust: 1.0

NVD: CVE-2021-36764
value: HIGH

Trust: 0.8

CNNVD: CNNVD-202108-406
value: HIGH

Trust: 0.6

VULHUB: VHN-398616
value: MEDIUM

Trust: 0.1

VULMON: CVE-2021-36764
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2021-36764
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: 1.9

VULHUB: VHN-398616
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: 0.1

nvd@nist.gov: CVE-2021-36764
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-2021-36764
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: VULHUB: VHN-398616 // VULMON: CVE-2021-36764 // JVNDB: JVNDB-2021-012042 // CNNVD: CNNVD-202108-406 // NVD: CVE-2021-36764

PROBLEMTYPE DATA

problemtype:CWE-476

Trust: 1.1

problemtype:NULL Pointer dereference (CWE-476) [NVD evaluation ]

Trust: 0.8

sources: VULHUB: VHN-398616 // JVNDB: JVNDB-2021-012042 // NVD: CVE-2021-36764

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202108-406

TYPE

code problem

Trust: 0.6

sources: CNNVD: CNNVD-202108-406

PATCH

title:Advisory 2021-12url:https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16804&token=d8c89c887979b22fdfc9fd5c3aa3804bbb1ddbff&download=

Trust: 0.8

title:3S-Smart Software Solutions CODESYS GatewayService Fixes for code issue vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=159689

Trust: 0.6

sources: JVNDB: JVNDB-2021-012042 // CNNVD: CNNVD-202108-406

EXTERNAL IDS

db:NVDid:CVE-2021-36764

Trust: 3.4

db:JVNDBid:JVNDB-2021-012042

Trust: 0.8

db:CNNVDid:CNNVD-202108-406

Trust: 0.6

db:VULHUBid:VHN-398616

Trust: 0.1

db:VULMONid:CVE-2021-36764

Trust: 0.1

sources: VULHUB: VHN-398616 // VULMON: CVE-2021-36764 // JVNDB: JVNDB-2021-012042 // CNNVD: CNNVD-202108-406 // NVD: CVE-2021-36764

REFERENCES

url:https://customers.codesys.com/index.php?eid=dumpfile&t=f&f=16804&token=d8c89c887979b22fdfc9fd5c3aa3804bbb1ddbff&download=

Trust: 1.7

url:https://nvd.nist.gov/vuln/detail/cve-2021-36764

Trust: 1.4

url:https://customers.codesys.com/index.php?eid=dumpfile&t=f&f=16804&token=d8c89c887979b22fdfc9fd5c3aa3804bbb1ddbff&download=

Trust: 0.1

url:https://cwe.mitre.org/data/definitions/476.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: VULHUB: VHN-398616 // VULMON: CVE-2021-36764 // JVNDB: JVNDB-2021-012042 // CNNVD: CNNVD-202108-406 // NVD: CVE-2021-36764

SOURCES

db:VULHUBid:VHN-398616
db:VULMONid:CVE-2021-36764
db:JVNDBid:JVNDB-2021-012042
db:CNNVDid:CNNVD-202108-406
db:NVDid:CVE-2021-36764

LAST UPDATE DATE

2024-08-14T14:18:23.031000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-398616date:2021-08-11T00:00:00
db:VULMONid:CVE-2021-36764date:2021-08-11T00:00:00
db:JVNDBid:JVNDB-2021-012042date:2022-08-22T06:17:00
db:CNNVDid:CNNVD-202108-406date:2021-08-24T00:00:00
db:NVDid:CVE-2021-36764date:2021-08-11T00:09:32.477

SOURCES RELEASE DATE

db:VULHUBid:VHN-398616date:2021-08-04T00:00:00
db:VULMONid:CVE-2021-36764date:2021-08-04T00:00:00
db:JVNDBid:JVNDB-2021-012042date:2022-08-22T00:00:00
db:CNNVDid:CNNVD-202108-406date:2021-08-04T00:00:00
db:NVDid:CVE-2021-36764date:2021-08-04T14:15:08.507