CVE-2020-27863

{"containers": {"cna": {"affected": [{"product": "Multiple Routers", "vendor": "D-Link", "versions": [{"status": "affected", "version": "firmeware version 2.3"}]}], "credits": [{"lang": "en", "value": "chung96vn ft phieulang"}], "descriptions": [{"lang": "en", "value": "This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of D-Link DVA-2800 and DSL-2888A routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the dhttpd service, which listens on TCP port 8008 by default. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-10912."}], "metrics": [{"cvssV3_0": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-288", "description": "CWE-288: Authentication Bypass Using an Alternate Path or Channel", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-03-12T13:52:23.000Z", "orgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "shortName": "zdi"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10196"}, {"tags": ["x_refsource_MISC"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-1427/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "zdi-disclosures@trendmicro.com", "ID": "CVE-2020-27863", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Multiple Routers", "version": {"version_data": [{"version_value": "firmeware version 2.3"}]}}]}, "vendor_name": "D-Link"}]}}, "credit": "chung96vn ft phieulang", "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of D-Link DVA-2800 and DSL-2888A routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the dhttpd service, which listens on TCP port 8008 by default. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-10912."}]}, "impact": {"cvss": {"vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-288: Authentication Bypass Using an Alternate Path or Channel"}]}]}, "references": {"reference_data": [{"name": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10196", "refsource": "MISC", "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10196"}, {"name": "https://www.zerodayinitiative.com/advisories/ZDI-20-1427/", "refsource": "MISC", "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-1427/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T16:25:43.357Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10196"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-1427/"}]}]}, "cveMetadata": {"assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "assignerShortName": "zdi", "cveId": "CVE-2020-27863", "datePublished": "2021-02-11T23:35:37.000Z", "dateReserved": "2020-10-27T00:00:00.000Z", "dateUpdated": "2024-08-04T16:25:43.357Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Multiple Routers", "vendor": "D-Link", "versions": [{"status": "affected", "version": "firmeware version 2.3"}]}], "source": "zdi-disclosures@trendmicro.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:dlink:dva-2800_firmware:2.30_au:*:*:*:*:*:*:*", "matchCriteriaId": "24A759B5-EA1E-4D9E-906F-19B0A34E6947", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dva-2800:revision_t:*:*:*:*:*:*:*", "matchCriteriaId": "114CBBA1-5D8F-44BE-99E5-3F710314F8A3", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:dlink:dsl-2888a_firmware:2.30_au:*:*:*:*:*:*:*", "matchCriteriaId": "EDCAAD1D-111B-4A6D-AF11-0266B13C3AD1", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:dlink:dsl-2888a:revision_t:*:*:*:*:*:*:*", "matchCriteriaId": "F4D0A7C9-9880-4125-9075-623E8281E6A0", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of D-Link DVA-2800 and DSL-2888A routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the dhttpd service, which listens on TCP port 8008 by default. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-10912."}, {"lang": "es", "value": "Esta vulnerabilidad permite a los atacantes adyacentes a la red revelar informaci\u00f3n sensible en las instalaciones afectadas de los routers D-Link DVA-2800 y DSL-2888A. No se requiere autenticaci\u00f3n para explotar esta vulnerabilidad. El fallo espec\u00edfico existe en el servicio dhttpd, que escucha en el puerto TCP 8008 por defecto. El problema se debe a una l\u00f3gica incorrecta de coincidencia de cadenas al acceder a p\u00e1ginas protegidas. Un atacante puede aprovechar esta situaci\u00f3n para revelar las credenciales almacenadas, lo que llevar\u00eda a un mayor compromiso. Era ZDI-CAN-10912"}], "id": "CVE-2020-27863", "lastModified": "2026-06-17T03:09:45.810", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 3.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:A/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 6.5, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-02-12T00:15:12.657", "references": [{"source": "zdi-disclosures@trendmicro.com", "tags": ["Vendor Advisory"], "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10196"}, {"source": "zdi-disclosures@trendmicro.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-1427/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10196"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-20-1427/"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-288"}], "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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