CVE-2021-29377

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:pearadmin:pearadmin_think:*:*:*:*:*:*:*:*", "matchCriteriaId": "3A350341-A911-4DBF-88A6-62FEF9246BB9", "versionEndIncluding": "2.1.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Pear Admin Think through 2.1.2 has an arbitrary file upload vulnerability that allows attackers to execute arbitrary code remotely. A .php file can be uploaded via admin.php/index/upload because app/common/service/UploadService.php mishandles fileExt."}, {"lang": "es", "value": "Pear Admin Think versiones hasta 2.1.2, presenta una vulnerabilidad de carga de archivos arbitraria que permite a atacantes ejecutar c\u00f3digo arbitrario remotamente. Un archivo .php puede ser cargado por medio del componente admin.php/index/upload porque el archivo app/common/service/UploadService.php maneja inapropiadamente fileExt."}], "id": "CVE-2021-29377", "lastModified": "2026-06-17T03:47:34.103", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "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"}]}, "published": "2021-08-12T22:15:07.767", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://gitee.com/pear-admin/Pear-Admin-Think/issues/I3DI3T"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://gitee.com/pear-admin/Pear-Admin-Think/issues/I3DI3T"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-434"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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