CVE-2022-43501 - Vulnerability Details - OpenCVE

KASAGO TCP/IP stack provided by Zuken Elmic generates ISNs(Initial Sequence Number) for TCP connections from an insufficiently random source. An attacker may be able to determine the ISN of the current or future TCP connections and either hijack existing ones or spoof future ones.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact total

Vendors	Products
Elwsc	Kasago Ipv4 Kasago Ipv4 Light Kasago Ipv6\/v4 Dual Kasago Mobile Ipv6

Configuration 1 [-]

OR	cpe:2.3:a:elwsc:kasago_ipv4::::::::
	cpe:2.3:a:elwsc:kasago_ipv4_light::::::::
	cpe:2.3:a:elwsc:kasago_ipv6\/v4_dual::::::::
	cpe:2.3:a:elwsc:kasago_mobile_ipv6::::::::

No data.

References

Link	Providers
https://jvn.jp/en/vu/JVNVU99551468/
https://www.elwsc.co.jp/news/6352

History

Mon, 24 Mar 2025 18:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: jpcert

Published: 2023-02-10T00:00:00.000Z

Updated: 2025-03-24T18:11:03.974Z

Reserved: 2022-12-09T00:00:00.000Z

Link: CVE-2022-43501

Vulnrichment

Updated: 2024-08-03T13:32:59.196Z

NVD

Status : Modified

Published: 2023-02-10T04:15:11.107

Modified: 2025-03-24T18:15:14.587

Link: CVE-2022-43501

Redhat

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2022-43501", "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "assignerShortName": "jpcert", "dateUpdated": "2025-03-24T18:11:03.974Z", "dateReserved": "2022-12-09T00:00:00.000Z", "datePublished": "2023-02-10T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "shortName": "jpcert", "dateUpdated": "2023-02-10T00:00:00.000Z"}, "descriptions": [{"lang": "en", "value": "KASAGO TCP/IP stack provided by Zuken Elmic generates ISNs(Initial Sequence Number) for TCP connections from an insufficiently random source. An attacker may be able to determine the ISN of the current or future TCP connections and either hijack existing ones or spoof future ones."}], "affected": [{"vendor": "ZUKEN Elmic", "product": "Kasago IPv6/v4 Dual", "versions": [{"version": "prior to Ver6.0.1.34", "status": "affected"}]}, {"vendor": "ZUKEN Elmic", "product": "Kasago IPv4", "versions": [{"version": "prior to Ver6.0.1.34", "status": "affected"}]}, {"vendor": "ZUKEN Elmic", "product": "Kasago IPv4 Light", "versions": [{"version": "prior to Ver6.0.1.34", "status": "affected"}]}, {"vendor": "ZUKEN Elmic", "product": "Kasago mobile IPv6", "versions": [{"version": "prior to Ver6.0.1.34", "status": "affected"}]}], "references": [{"url": "https://www.elwsc.co.jp/news/6352"}, {"name": "Zuken Elmic KASAGO uses insufficient random values for TCP Initial Sequence Numbers", "tags": ["third-party-advisory"], "url": "https://jvn.jp/en/vu/JVNVU99551468/"}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-330: Use of Insufficiently Random Values", "cweId": "CWE-330"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T13:32:59.196Z"}, "title": "CVE Program Container", "references": [{"url": "https://www.elwsc.co.jp/news/6352", "tags": ["x_transferred"]}, {"name": "Zuken Elmic KASAGO uses insufficient random values for TCP Initial Sequence Numbers", "tags": ["third-party-advisory", "x_transferred"], "url": "https://jvn.jp/en/vu/JVNVU99551468/"}]}, {"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-03-24T18:11:00.523781Z", "id": "CVE-2022-43501", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-03-24T18:11:03.974Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://www.elwsc.co.jp/news/6352", "tags": ["x_transferred"]}, {"url": "https://jvn.jp/en/vu/JVNVU99551468/", "name": "Zuken Elmic KASAGO uses insufficient random values for TCP Initial Sequence Numbers", "tags": ["third-party-advisory", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T13:32:59.196Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2022-43501", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-03-24T18:11:00.523781Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-03-24T18:10:50.196Z"}}], "cna": {"affected": [{"vendor": "ZUKEN Elmic", "product": "Kasago IPv6/v4 Dual", "versions": [{"status": "affected", "version": "prior to Ver6.0.1.34"}]}, {"vendor": "ZUKEN Elmic", "product": "Kasago IPv4", "versions": [{"status": "affected", "version": "prior to Ver6.0.1.34"}]}, {"vendor": "ZUKEN Elmic", "product": "Kasago IPv4 Light", "versions": [{"status": "affected", "version": "prior to Ver6.0.1.34"}]}, {"vendor": "ZUKEN Elmic", "product": "Kasago mobile IPv6", "versions": [{"status": "affected", "version": "prior to Ver6.0.1.34"}]}], "references": [{"url": "https://www.elwsc.co.jp/news/6352"}, {"url": "https://jvn.jp/en/vu/JVNVU99551468/", "name": "Zuken Elmic KASAGO uses insufficient random values for TCP Initial Sequence Numbers", "tags": ["third-party-advisory"]}], "descriptions": [{"lang": "en", "value": "KASAGO TCP/IP stack provided by Zuken Elmic generates ISNs(Initial Sequence Number) for TCP connections from an insufficiently random source. An attacker may be able to determine the ISN of the current or future TCP connections and either hijack existing ones or spoof future ones."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-330", "description": "CWE-330: Use of Insufficiently Random Values"}]}], "providerMetadata": {"orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "shortName": "jpcert", "dateUpdated": "2023-02-10T00:00:00.000Z"}}}, "cveMetadata": {"cveId": "CVE-2022-43501", "state": "PUBLISHED", "dateUpdated": "2025-03-24T18:11:03.974Z", "dateReserved": "2022-12-09T00:00:00.000Z", "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "datePublished": "2023-02-10T00:00:00.000Z", "assignerShortName": "jpcert"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:elwsc:kasago_ipv4:*:*:*:*:*:*:*:*", "matchCriteriaId": "E438EA09-9BEF-4152-B95A-B3E0DF1EE807", "versionEndExcluding": "6.0.1.34", "vulnerable": true}, {"criteria": "cpe:2.3:a:elwsc:kasago_ipv4_light:*:*:*:*:*:*:*:*", "matchCriteriaId": "65A36EBB-9FB9-402B-8105-E98C180EC7D2", "versionEndExcluding": "6.0.1.34", "vulnerable": true}, {"criteria": "cpe:2.3:a:elwsc:kasago_ipv6\\/v4_dual:*:*:*:*:*:*:*:*", "matchCriteriaId": "00163C20-1C59-4E42-A17F-8B7EC88ADAEE", "versionEndExcluding": "6.0.1.34", "vulnerable": true}, {"criteria": "cpe:2.3:a:elwsc:kasago_mobile_ipv6:*:*:*:*:*:*:*:*", "matchCriteriaId": "7FF16ECE-88FD-4350-88CF-4634D802C30D", "versionEndExcluding": "6.0.1.34", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "KASAGO TCP/IP stack provided by Zuken Elmic generates ISNs(Initial Sequence Number) for TCP connections from an insufficiently random source. An attacker may be able to determine the ISN of the current or future TCP connections and either hijack existing ones or spoof future ones."}, {"lang": "es", "value": "La pila KASAGO TCP/IP proporcionada por Zuken Elmic genera ISN (n\u00famero de secuencia inicial) para conexiones TCP desde una fuente insuficientemente aleatoria. Un atacante puede determinar el ISN de las conexiones TCP actuales o futuras y secuestrar las existentes o falsificar las futuras."}], "id": "CVE-2022-43501", "lastModified": "2025-03-24T18:15:14.587", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2023-02-10T04:15:11.107", "references": [{"source": "vultures@jpcert.or.jp", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/en/vu/JVNVU99551468/"}, {"source": "vultures@jpcert.or.jp", "tags": ["Vendor Advisory"], "url": "https://www.elwsc.co.jp/news/6352"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/en/vu/JVNVU99551468/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.elwsc.co.jp/news/6352"}], "sourceIdentifier": "vultures@jpcert.or.jp", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-330"}], "source": "vultures@jpcert.or.jp", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-330"}], "source": "nvd@nist.gov", "type": "Primary"}]}