CVE-2020-8863

{"containers": {"cna": {"affected": [{"product": "Multiple Routers", "vendor": "D-Link", "versions": [{"status": "affected", "version": "1.10B04"}]}], "credits": [{"lang": "en", "value": "chung96vn - Security Researcher of VinCSS (Member of Vingroup)"}], "descriptions": [{"lang": "en", "value": "This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-867, DIR-878, and DIR-882 routers with firmware 1.10B04. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP login requests. The issue results from the lack of proper implementation of the authentication algorithm. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the router. Was ZDI-CAN-9470."}], "metrics": [{"cvssV3_0": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-303", "description": "CWE-303: Incorrect Implementation of Authentication Algorithm", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-03-23T20:25:23.000Z", "orgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "shortName": "zdi"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-267/"}, {"tags": ["x_refsource_MISC"], "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10157"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "zdi-disclosures@trendmicro.com", "ID": "CVE-2020-8863", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Multiple Routers", "version": {"version_data": [{"version_value": "1.10B04"}]}}]}, "vendor_name": "D-Link"}]}}, "credit": "chung96vn - Security Researcher of VinCSS (Member of Vingroup)", "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-867, DIR-878, and DIR-882 routers with firmware 1.10B04. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP login requests. The issue results from the lack of proper implementation of the authentication algorithm. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the router. Was ZDI-CAN-9470."}]}, "impact": {"cvss": {"vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-303: Incorrect Implementation of Authentication Algorithm"}]}]}, "references": {"reference_data": [{"name": "https://www.zerodayinitiative.com/advisories/ZDI-20-267/", "refsource": "MISC", "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-267/"}, {"name": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10157", "refsource": "MISC", "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10157"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T10:12:10.996Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-267/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10157"}]}]}, "cveMetadata": {"assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "assignerShortName": "zdi", "cveId": "CVE-2020-8863", "datePublished": "2020-03-23T20:25:23.000Z", "dateReserved": "2020-02-11T00:00:00.000Z", "dateUpdated": "2024-08-04T10:12:10.996Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Multiple Routers", "vendor": "D-Link", "versions": [{"status": "affected", "version": "1.10B04"}]}], "source": "zdi-disclosures@trendmicro.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:dlink:dir-878_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "A46073CD-C764-4A85-A280-3E2B86CF9B16", "versionEndIncluding": "1.20b03", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dir-878:-:*:*:*:*:*:*:*", "matchCriteriaId": "9D288C73-F89A-47FF-AF11-143C3DFDF942", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:dlink:dir-882_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "02445382-0BFC-4D66-A1F7-5B4C252AA234", "versionEndIncluding": "1.10b04", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dir-882:-:*:*:*:*:*:*:*", "matchCriteriaId": "F6ECB8ED-F3A2-4C05-8570-719ECB166B09", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:dlink:dir-867_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "315A5B4C-31E7-4CF2-86E8-24CE1A50D025", "versionEndIncluding": "1.10b04", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dir-867:-:*:*:*:*:*:*:*", "matchCriteriaId": "94CB6320-D2FB-4405-8C2D-BB59798A0670", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-867, DIR-878, and DIR-882 routers with firmware 1.10B04. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP login requests. The issue results from the lack of proper implementation of the authentication algorithm. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the router. Was ZDI-CAN-9470."}, {"lang": "es", "value": "Esta vulnerabilidad permite a atacantes adyacentes a la red omitir la autenticaci\u00f3n sobre las instalaciones afectadas de los enrutadores D-Link DIR-867, DIR-878 y DIR-882 con versi\u00f3n firmware 1.10B04. No es requerida una autenticaci\u00f3n para explotar esta vulnerabilidad. El fallo espec\u00edfico se presenta en el manejo de las peticiones de inicio de sesi\u00f3n de HNAP. El problema es debido a la falta de una implementaci\u00f3n apropiada del algoritmo de autenticaci\u00f3n. Un atacante puede aprovechar esta vulnerabilidad para escalar privilegios y ejecutar c\u00f3digo en el contexto del enrutador. Fue ZDI-CAN-9470."}], "id": "CVE-2020-8863", "lastModified": "2026-06-17T03:27:05.357", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 8.3, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:A/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 6.5, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-03-23T21:15:12.377", "references": [{"source": "zdi-disclosures@trendmicro.com", "tags": ["Third Party Advisory"], "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10157"}, {"source": "zdi-disclosures@trendmicro.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-267/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10157"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-267/"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-303"}], "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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