CVE-2021-27276

{"containers": {"cna": {"affected": [{"product": "ProSAFE Network Management System", "vendor": "NETGEAR", "versions": [{"status": "affected", "version": "1.6.0.26"}]}], "credits": [{"lang": "en", "value": "rgod"}], "descriptions": [{"lang": "en", "value": "This vulnerability allows remote attackers to delete arbitrary files on affected installations of NETGEAR ProSAFE Network Management System 1.6.0.26. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the MibController class. When parsing the realName parameter, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-12122."}], "metrics": [{"cvssV3_0": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-22", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-03-29T20:55:25.000Z", "orgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "shortName": "zdi"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://kb.netgear.com/000062722/Security-Advisory-for-Denial-of-Service-on-NMS300-PSV-2020-0500"}, {"tags": ["x_refsource_MISC"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-359/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "zdi-disclosures@trendmicro.com", "ID": "CVE-2021-27276", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "ProSAFE Network Management System", "version": {"version_data": [{"version_value": "1.6.0.26"}]}}]}, "vendor_name": "NETGEAR"}]}}, "credit": "rgod", "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "This vulnerability allows remote attackers to delete arbitrary files on affected installations of NETGEAR ProSAFE Network Management System 1.6.0.26. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the MibController class. When parsing the realName parameter, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-12122."}]}, "impact": {"cvss": {"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"}]}]}, "references": {"reference_data": [{"name": "https://kb.netgear.com/000062722/Security-Advisory-for-Denial-of-Service-on-NMS300-PSV-2020-0500", "refsource": "MISC", "url": "https://kb.netgear.com/000062722/Security-Advisory-for-Denial-of-Service-on-NMS300-PSV-2020-0500"}, {"name": "https://www.zerodayinitiative.com/advisories/ZDI-21-359/", "refsource": "MISC", "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-359/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:48:15.935Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://kb.netgear.com/000062722/Security-Advisory-for-Denial-of-Service-on-NMS300-PSV-2020-0500"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-359/"}]}]}, "cveMetadata": {"assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "assignerShortName": "zdi", "cveId": "CVE-2021-27276", "datePublished": "2021-03-29T20:55:25.000Z", "dateReserved": "2021-02-16T00:00:00.000Z", "dateUpdated": "2024-08-03T20:48:15.935Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "ProSAFE Network Management System", "vendor": "NETGEAR", "versions": [{"status": "affected", "version": "1.6.0.26"}]}], "source": "zdi-disclosures@trendmicro.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:netgear:prosafe_network_management_system:1.6.0.26:*:*:*:*:*:*:*", "matchCriteriaId": "A2C1F32B-238F-4435-9229-345EB07DE7D2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "This vulnerability allows remote attackers to delete arbitrary files on affected installations of NETGEAR ProSAFE Network Management System 1.6.0.26. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the MibController class. When parsing the realName parameter, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-12122."}, {"lang": "es", "value": "Esta vulnerabilidad permite a atacantes remotos eliminar archivos arbitrarios en las instalaciones afectadas de NETGEAR ProSAFE Network Management System versi\u00f3n 1.6.0.26. Aunque es requerida una autenticaci\u00f3n para explotar esta vulnerabilidad, el mecanismo de autenticaci\u00f3n existente puede ser omitido. El fallo espec\u00edfico se presenta dentro de la clase MibController. Cuando se analiza el par\u00e1metro realName, el proceso no comprueba apropiadamente una ruta suministrada por el usuario antes de usarla en operaciones de archivo. Un atacante puede aprovechar esta vulnerabilidad para crear una condici\u00f3n de denegaci\u00f3n de servicio en el sistema. Era ZDI-CAN-12122"}], "id": "CVE-2021-27276", "lastModified": "2026-06-17T03:44:36.093", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 5.5, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 4.2, "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-03-29T21:15:13.437", "references": [{"source": "zdi-disclosures@trendmicro.com", "tags": ["Vendor Advisory"], "url": "https://kb.netgear.com/000062722/Security-Advisory-for-Denial-of-Service-on-NMS300-PSV-2020-0500"}, {"source": "zdi-disclosures@trendmicro.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-359/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://kb.netgear.com/000062722/Security-Advisory-for-Denial-of-Service-on-NMS300-PSV-2020-0500"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-359/"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}]}

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