CVE-2023-51639

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{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "Allegra", "vendor": "Allegra", "versions": [{"status": "affected", "version": "7.5.0.24"}]}], "source": "zdi-disclosures@trendmicro.com"}, {"affectedData": [{"cpes": ["cpe:2.3:a:alltena:allegra:7.5.0build29:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "allegra", "vendor": "alltena", "versions": [{"status": "affected", "version": "7.5.0build29"}]}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:alltena:allegra:*:*:*:*:*:*:*:*", "matchCriteriaId": "21BACEA1-B578-4BE9-89BC-CA7C3F409FD8", "versionEndExcluding": "7.5.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Allegra downloadExportedChart Directory Traversal Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of Allegra. Authentication is not required to exploit this vulnerability. \n\nThe specific flaw exists within the downloadExportedChart action. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-22361."}, {"lang": "es", "value": "Vulnerabilidad de omisi\u00f3n de autenticaci\u00f3n en el recorrido de directorios de Allegra downloadExportedChart. Esta vulnerabilidad permite a atacantes remotos omitir la autenticaci\u00f3n en las instalaciones afectadas de Allegra. No se requiere autenticaci\u00f3n para explotar esta vulnerabilidad. La falla espec\u00edfica existe dentro de la acci\u00f3n downloadExportedChart. El problema es el resultado de la falta de validaci\u00f3n adecuada de una ruta proporcionada por el usuario antes de usarla en operaciones de archivo. Un atacante puede aprovechar esta vulnerabilidad para omitir la autenticaci\u00f3n en el sistema. Era ZDI-CAN-22361."}], "id": "CVE-2023-51639", "lastModified": "2026-06-17T06:41:22.807", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "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:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-51639", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2024-11-25T16:31:56.527318Z", "version": "2.0.3"}}]}, "published": "2024-11-22T20:15:06.400", "references": [{"source": "zdi-disclosures@trendmicro.com", "tags": ["Release Notes"], "url": "https://www.trackplus.com/en/service/release-notes-reader/7-5-1-release-notes-2.html"}, {"source": "zdi-disclosures@trendmicro.com", "tags": ["Third Party Advisory"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-24-110/"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}]}

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