CVE-2021-22440

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The vulnerability is due to that the software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly validate the pathname. Successful exploit could allow the attacker to access a location that is outside of the restricted directory by a crafted filename. Affected product versions include:HUAWEI Mate 20 9.0.0.195(C01E195R2P1), 9.1.0.139(C00E133R3P1);HUAWEI Mate 20 Pro 9.0.0.187(C432E10R1P16), 9.0.0.188(C185E10R2P1), 9.0.0.245(C10E10R2P1), 9.0.0.266(C432E10R1P16), 9.0.0.267(C636E10R2P1), 9.0.0.268(C635E12R1P16), 9.0.0.278(C185E10R2P1); Hima-L29C 9.0.0.105(C10E9R1P16), 9.0.0.105(C185E9R1P16), 9.0.0.105(C636E9R1P16); Laya-AL00EP 9.1.0.139(C786E133R3P1); OxfordS-AN00A 10.1.0.223(C00E210R5P1); Tony-AL00B 9.1.0.257(C00E222R2P1)."}], "problemTypes": [{"descriptions": [{"description": "Path Traversal", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-07-13T11:42:33.000Z", "orgId": "25ac1063-e409-4190-8079-24548c77ea2e", "shortName": "huawei"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210630-01-pathtraversal-en"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@huawei.com", "ID": "CVE-2021-22440", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "HUAWEI Mate 20;HUAWEI Mate 20 Pro;Hima-L29C;Laya-AL00EP;OxfordS-AN00A;Tony-AL00B", "version": {"version_data": [{"version_value": "9.0.0.195(C01E195R2P1),9.1.0.139(C00E133R3P1)"}, {"version_value": "9.0.0.187(C432E10R1P16),9.0.0.188(C185E10R2P1),9.0.0.245(C10E10R2P1),9.0.0.266(C432E10R1P16),9.0.0.267(C636E10R2P1),9.0.0.268(C635E12R1P16),9.0.0.278(C185E10R2P1)"}, {"version_value": "9.0.0.105(C10E9R1P16),9.0.0.105(C185E9R1P16),9.0.0.105(C636E9R1P16)"}, {"version_value": "9.1.0.139(C786E133R3P1)"}, {"version_value": "10.1.0.223(C00E210R5P1)"}, {"version_value": "9.1.0.257(C00E222R2P1)"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "There is a path traversal vulnerability in some Huawei products. The vulnerability is due to that the software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly validate the pathname. Successful exploit could allow the attacker to access a location that is outside of the restricted directory by a crafted filename. Affected product versions include:HUAWEI Mate 20 9.0.0.195(C01E195R2P1), 9.1.0.139(C00E133R3P1);HUAWEI Mate 20 Pro 9.0.0.187(C432E10R1P16), 9.0.0.188(C185E10R2P1), 9.0.0.245(C10E10R2P1), 9.0.0.266(C432E10R1P16), 9.0.0.267(C636E10R2P1), 9.0.0.268(C635E12R1P16), 9.0.0.278(C185E10R2P1); Hima-L29C 9.0.0.105(C10E9R1P16), 9.0.0.105(C185E9R1P16), 9.0.0.105(C636E9R1P16); Laya-AL00EP 9.1.0.139(C786E133R3P1); OxfordS-AN00A 10.1.0.223(C00E210R5P1); Tony-AL00B 9.1.0.257(C00E222R2P1)."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Path Traversal"}]}]}, "references": {"reference_data": [{"name": "https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210630-01-pathtraversal-en", "refsource": "MISC", "url": "https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210630-01-pathtraversal-en"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:44:13.921Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210630-01-pathtraversal-en"}]}]}, "cveMetadata": {"assignerOrgId": "25ac1063-e409-4190-8079-24548c77ea2e", "assignerShortName": "huawei", "cveId": "CVE-2021-22440", "datePublished": "2021-07-13T11:42:33.000Z", "dateReserved": "2021-01-05T00:00:00.000Z", "dateUpdated": "2024-08-03T18:44:13.921Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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The vulnerability is due to that the software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly validate the pathname. Successful exploit could allow the attacker to access a location that is outside of the restricted directory by a crafted filename. Affected product versions include:HUAWEI Mate 20 9.0.0.195(C01E195R2P1), 9.1.0.139(C00E133R3P1);HUAWEI Mate 20 Pro 9.0.0.187(C432E10R1P16), 9.0.0.188(C185E10R2P1), 9.0.0.245(C10E10R2P1), 9.0.0.266(C432E10R1P16), 9.0.0.267(C636E10R2P1), 9.0.0.268(C635E12R1P16), 9.0.0.278(C185E10R2P1); Hima-L29C 9.0.0.105(C10E9R1P16), 9.0.0.105(C185E9R1P16), 9.0.0.105(C636E9R1P16); Laya-AL00EP 9.1.0.139(C786E133R3P1); OxfordS-AN00A 10.1.0.223(C00E210R5P1); Tony-AL00B 9.1.0.257(C00E222R2P1)."}, {"lang": "es", "value": "Se presenta una vulnerabilidad de salto de ruta en algunos productos de Huawei. La vulnerabilidad es debido a que el software usa una entrada externa para construir un nombre de ruta que pretende identificar un archivo o directorio que se encuentra debajo de un directorio principal restringido, pero el software no comprueba apropiadamente el nombre de ruta. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante acceder a una ubicaci\u00f3n que est\u00e1 fuera del directorio restringido mediante un nombre de archivo dise\u00f1ado. Las versiones de producto afectadas son:HUAWEI Mate 20 versi\u00f3n 9.0.0.195(C01E195R2P1), versi\u00f3n 9.1.0.139(C00E133R3P1);HUAWEI Mate 20 Pro versi\u00f3n 9.0. versi\u00f3n 0.187(C432E10R1P16), versi\u00f3n 9.0.0.188(C185E10R2P1), versi\u00f3n 9.0.0.245(C10E10R2P1), versi\u00f3n 9.0.0.266(C432E10R1P16), versi\u00f3n 9.0.0.267(C636E10R2P1),versi\u00f3n 9. versi\u00f3n 0.0.268(C635E12R1P16), versi\u00f3n 9.0.0.278(C185E10R2P1); Hima-L29C versi\u00f3n 9.0.0.105(C10E9R1P16), versi\u00f3n 9.0.0.105(C185E9R1P16), versi\u00f3n 9.0.0. 105(C636E9R1P16); Laya-AL00EP versi\u00f3n 9.1.0.139(C786E133R3P1); OxfordS-AN00A versi\u00f3n 10.1.0.223(C00E210R5P1); Tony-AL00B versi\u00f3n 9.1.0.257(C00E222R2P1)"}], "id": "CVE-2021-22440", "lastModified": "2026-06-17T03:37:13.887", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.1, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "NONE", "baseScore": 4.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 0.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-07-13T12:15:09.847", "references": [{"source": "psirt@huawei.com", "tags": ["Vendor Advisory"], "url": "https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210630-01-pathtraversal-en"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210630-01-pathtraversal-en"}], "sourceIdentifier": "psirt@huawei.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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