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ID

VAR-202202-0653


CVE

CVE-2021-21964


TITLE

Sealevel Systems, Inc. SeaConnect 370W  Vulnerability regarding lack of authentication for critical features in

Trust: 0.8

sources: JVNDB: JVNDB-2022-004776

DESCRIPTION

A denial of service vulnerability exists in the Modbus configuration functionality of Sealevel Systems, Inc. SeaConnect 370W v1.3.34. Specially-crafted network packets can lead to denial of service. An attacker can send a malicious packet to trigger this vulnerability. Sealevel Systems, Inc. SeaConnect 370W There is a vulnerability in the lack of authentication for critical features.Service operation interruption (DoS) It may be in a state. Used to remotely monitor and control the status of the actual I/O process

Trust: 2.7

sources: NVD: CVE-2021-21964 // JVNDB: JVNDB-2022-004776 // CNVD: CNVD-2022-10695 // CNNVD: CNNVD-202202-346

IOT TAXONOMY

category:['IoT']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-10695

AFFECTED PRODUCTS

vendor:sealevelmodel:seaconnect 370wscope:eqversion:1.3.34

Trust: 1.0

vendor:sealevelmodel:seaconnect 370wscope:eqversion: -

Trust: 0.8

vendor:sealevelmodel:seaconnect 370wscope:eqversion:seaconnect 370w firmware 1.3.34

Trust: 0.8

vendor:sealevelmodel:systems seaconnect 370wscope:eqversion:v1.3.34

Trust: 0.6

sources: CNVD: CNVD-2022-10695 // JVNDB: JVNDB-2022-004776 // NVD: CVE-2021-21964

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-21964
value: HIGH

Trust: 1.0

talos-cna@cisco.com: CVE-2021-21964
value: HIGH

Trust: 1.0

NVD: CVE-2021-21964
value: HIGH

Trust: 0.8

CNVD: CNVD-2022-10695
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202202-346
value: HIGH

Trust: 0.6

nvd@nist.gov: CVE-2021-21964
severity: HIGH
baseScore: 7.1
vectorString: AV:N/AC:M/AU:N/C:N/I:N/A:C
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 8.6
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

CNVD: CNVD-2022-10695
severity: HIGH
baseScore: 7.1
vectorString: AV:N/AC:M/AU:N/C:N/I:N/A:C
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: COMPLETE
exploitabilityScore: 8.6
impactScore: 6.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-21964
baseSeverity: HIGH
baseScore: 7.4
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: CHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 4.0
version: 3.1

Trust: 1.0

talos-cna@cisco.com: CVE-2021-21964
baseSeverity: HIGH
baseScore: 8.6
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: LOW
integrityImpact: LOW
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 4.7
version: 3.0

Trust: 1.0

NVD: CVE-2021-21964
baseSeverity: HIGH
baseScore: 7.4
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: REQUIRED
scope: CHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2022-10695 // JVNDB: JVNDB-2022-004776 // CNNVD: CNNVD-202202-346 // NVD: CVE-2021-21964 // NVD: CVE-2021-21964

PROBLEMTYPE DATA

problemtype:CWE-306

Trust: 1.0

problemtype:CWE-284

Trust: 1.0

problemtype:Lack of authentication for critical features (CWE-306) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2022-004776 // NVD: CVE-2021-21964

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202202-346

TYPE

access control error

Trust: 0.6

sources: CNNVD: CNNVD-202202-346

PATCH

title:Top Pageurl:https://www.sealevel.com/

Trust: 0.8

title:Patch for Sealevel Systems SeaConnect 370w Denial of Service Vulnerabilityurl:https://www.cnvd.org.cn/patchInfo/show/319881

Trust: 0.6

title:Sealevel Systems SeaConnect 370w Remediation measures for authorization problem vulnerabilitiesurl:http://123.124.177.30/web/xxk/bdxqById.tag?id=182380

Trust: 0.6

sources: CNVD: CNVD-2022-10695 // JVNDB: JVNDB-2022-004776 // CNNVD: CNNVD-202202-346

EXTERNAL IDS

db:NVDid:CVE-2021-21964

Trust: 3.8

db:TALOSid:TALOS-2021-1392

Trust: 2.4

db:JVNDBid:JVNDB-2022-004776

Trust: 0.8

db:CNVDid:CNVD-2022-10695

Trust: 0.6

db:CNNVDid:CNNVD-202202-346

Trust: 0.6

sources: CNVD: CNVD-2022-10695 // JVNDB: JVNDB-2022-004776 // CNNVD: CNNVD-202202-346 // NVD: CVE-2021-21964

REFERENCES

url:https://talosintelligence.com/vulnerability_reports/talos-2021-1392

Trust: 2.4

url:https://nvd.nist.gov/vuln/detail/cve-2021-21964

Trust: 1.4

url:https://www.sealevel.com/product/370w-a-wifi-to-form-c-relays-digital-inputs-a-d-inputs-and-1-wire-bus-seaconnect-multifunction-io-edge-module-powered-by-seacloud/

Trust: 0.6

sources: CNVD: CNVD-2022-10695 // JVNDB: JVNDB-2022-004776 // CNNVD: CNNVD-202202-346 // NVD: CVE-2021-21964

SOURCES

db:CNVDid:CNVD-2022-10695
db:JVNDBid:JVNDB-2022-004776
db:CNNVDid:CNNVD-202202-346
db:NVDid:CVE-2021-21964

LAST UPDATE DATE

2024-08-14T14:02:46.398000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-10695date:2022-02-16T00:00:00
db:JVNDBid:JVNDB-2022-004776date:2023-05-01T08:28:00
db:CNNVDid:CNNVD-202202-346date:2022-10-26T00:00:00
db:NVDid:CVE-2021-21964date:2022-10-25T15:54:51.097

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-10695date:2022-02-16T00:00:00
db:JVNDBid:JVNDB-2022-004776date:2023-05-01T00:00:00
db:CNNVDid:CNNVD-202202-346date:2022-02-04T00:00:00
db:NVDid:CVE-2021-21964date:2022-02-04T23:15:10.630