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ID

VAR-202202-0654


CVE

CVE-2021-21965


TITLE

Sealevel Systems, Inc. SeaConnect 370W  Authentication vulnerability in

Trust: 0.8

sources: JVNDB: JVNDB-2022-004774

DESCRIPTION

A denial of service vulnerability exists in the SeaMax remote 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 an authentication vulnerability in.Information is tampered with and service operation is interrupted (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-2021-21965 // JVNDB: JVNDB-2022-004774 // CNVD: CNVD-2022-10693 // CNNVD: CNNVD-202202-344

IOT TAXONOMY

category:['IoT']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2022-10693

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-2022-10693 // JVNDB: JVNDB-2022-004774 // NVD: CVE-2021-21965

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-21965
value: CRITICAL

Trust: 1.0

talos-cna@cisco.com: CVE-2021-21965
value: HIGH

Trust: 1.0

NVD: CVE-2021-21965
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2022-10693
value: MEDIUM

Trust: 0.6

CNNVD: CNNVD-202202-344
value: CRITICAL

Trust: 0.6

nvd@nist.gov: CVE-2021-21965
severity: MEDIUM
baseScore: 6.4
vectorString: AV:N/AC:L/AU:N/C:N/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 4.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

CNVD: CNVD-2022-10693
severity: MEDIUM
baseScore: 6.4
vectorString: AV:N/AC:L/AU:N/C:N/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: NONE
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 4.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-21965
baseSeverity: CRITICAL
baseScore: 9.3
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: CHANGED
confidentialityImpact: NONE
integrityImpact: LOW
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 4.7
version: 3.1

Trust: 1.0

talos-cna@cisco.com: CVE-2021-21965
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-2021-21965
baseSeverity: CRITICAL
baseScore: 9.3
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: CHANGED
confidentialityImpact: NONE
integrityImpact: LOW
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2022-10693 // JVNDB: JVNDB-2022-004774 // CNNVD: CNNVD-202202-344 // NVD: CVE-2021-21965 // NVD: CVE-2021-21965

PROBLEMTYPE DATA

problemtype:CWE-284

Trust: 1.0

problemtype:CWE-287

Trust: 1.0

problemtype:Inappropriate authentication (CWE-287) [NVD evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2022-004774 // NVD: CVE-2021-21965

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202202-344

TYPE

authorization issue

Trust: 0.6

sources: CNNVD: CNNVD-202202-344

PATCH

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

Trust: 0.8

title:Patch for Sealevel Systems SeaConnect 370w Denial of Service Vulnerability (CNVD-2022-10693)url:https://www.cnvd.org.cn/patchInfo/show/319901

Trust: 0.6

title:Sealevel Systems SeaConnect 370w Remediation measures for authorization problem vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=182378

Trust: 0.6

sources: CNVD: CNVD-2022-10693 // JVNDB: JVNDB-2022-004774 // CNNVD: CNNVD-202202-344

EXTERNAL IDS

db:NVDid:CVE-2021-21965

Trust: 3.8

db:TALOSid:TALOS-2021-1392

Trust: 2.4

db:JVNDBid:JVNDB-2022-004774

Trust: 0.8

db:CNVDid:CNVD-2022-10693

Trust: 0.6

db:CNNVDid:CNNVD-202202-344

Trust: 0.6

sources: CNVD: CNVD-2022-10693 // JVNDB: JVNDB-2022-004774 // CNNVD: CNNVD-202202-344 // NVD: CVE-2021-21965

REFERENCES

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

Trust: 2.4

url:https://nvd.nist.gov/vuln/detail/cve-2021-21965

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-2022-10693 // JVNDB: JVNDB-2022-004774 // CNNVD: CNNVD-202202-344 // NVD: CVE-2021-21965

SOURCES

db:CNVDid:CNVD-2022-10693
db:JVNDBid:JVNDB-2022-004774
db:CNNVDid:CNNVD-202202-344
db:NVDid:CVE-2021-21965

LAST UPDATE DATE

2024-08-14T14:02:46.424000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2022-10693date:2022-02-16T00:00:00
db:JVNDBid:JVNDB-2022-004774date:2023-05-01T08:26:00
db:CNNVDid:CNNVD-202202-344date:2022-08-01T00:00:00
db:NVDid:CVE-2021-21965date:2022-07-29T16:31:15.173

SOURCES RELEASE DATE

db:CNVDid:CNVD-2022-10693date:2022-02-16T00:00:00
db:JVNDBid:JVNDB-2022-004774date:2023-05-01T00:00:00
db:CNNVDid:CNNVD-202202-344date:2022-02-04T00:00:00
db:NVDid:CVE-2021-21965date:2022-02-04T23:15:10.670