CVE-2021-20165

{"containers": {"cna": {"affected": [{"product": "Trendnet AC2600 TEW-827DRU", "vendor": "n/a", "versions": [{"status": "affected", "version": "2.08B01"}]}], "descriptions": [{"lang": "en", "value": "Trendnet AC2600 TEW-827DRU version 2.08B01 does not properly implement csrf protections. Most pages lack proper usage of CSRF protections or mitigations. Additionally, pages that do make use of CSRF tokens are trivially bypassable as the server does not appear to validate them properly (i.e. re-using an old token or finding the token thru some other method is possible)."}], "problemTypes": [{"descriptions": [{"description": "Cross site request forgery", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-12-30T21:31:14.000Z", "orgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "shortName": "tenable"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.tenable.com/security/research/tra-2021-54"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vulnreport@tenable.com", "ID": "CVE-2021-20165", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Trendnet AC2600 TEW-827DRU", "version": {"version_data": [{"version_value": "2.08B01"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Trendnet AC2600 TEW-827DRU version 2.08B01 does not properly implement csrf protections. Most pages lack proper usage of CSRF protections or mitigations. Additionally, pages that do make use of CSRF tokens are trivially bypassable as the server does not appear to validate them properly (i.e. re-using an old token or finding the token thru some other method is possible)."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Cross site request forgery"}]}]}, "references": {"reference_data": [{"name": "https://www.tenable.com/security/research/tra-2021-54", "refsource": "MISC", "url": "https://www.tenable.com/security/research/tra-2021-54"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:30:07.434Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.tenable.com/security/research/tra-2021-54"}]}]}, "cveMetadata": {"assignerOrgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "assignerShortName": "tenable", "cveId": "CVE-2021-20165", "datePublished": "2021-12-30T21:31:14.000Z", "dateReserved": "2020-12-17T00:00:00.000Z", "dateUpdated": "2024-08-03T17:30:07.434Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Trendnet AC2600 TEW-827DRU", "vendor": "n/a", "versions": [{"status": "affected", "version": "2.08B01"}]}], "source": "vulnreport@tenable.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:trendnet:tew-827dru_firmware:2.08b01:*:*:*:*:*:*:*", "matchCriteriaId": "9C008C1E-18D3-4A0C-97A1-89009310C55B", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:trendnet:tew-827dru:2.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6A79A7-46A7-446F-B512-4C75B5C214CE", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Trendnet AC2600 TEW-827DRU version 2.08B01 does not properly implement csrf protections. Most pages lack proper usage of CSRF protections or mitigations. Additionally, pages that do make use of CSRF tokens are trivially bypassable as the server does not appear to validate them properly (i.e. re-using an old token or finding the token thru some other method is possible)."}, {"lang": "es", "value": "Trendnet AC2600 TEW-827DRU versi\u00f3n 2.08B01, no implementa correctamente las protecciones csrf. La mayor\u00eda de las p\u00e1ginas carecen de un uso adecuado de las protecciones o mitigaciones de CSRF. Adem\u00e1s, las p\u00e1ginas que hacen uso de tokens CSRF son trivialmente evitables ya que el servidor no parece comprobarlos apropiadamente (es decir, es posible reusar un token antiguo o encontrar el token a trav\u00e9s de alg\u00fan otro m\u00e9todo).\n"}], "id": "CVE-2021-20165", "lastModified": "2026-06-17T03:33:24.130", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-12-30T22:15:09.363", "references": [{"source": "vulnreport@tenable.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2021-54"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2021-54"}], "sourceIdentifier": "vulnreport@tenable.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-352"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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