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CVE-2021-22440

Estado: ModificadaMedia (4.6)—

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.

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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).

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (6)

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2021-22440",
  "cveTags": [],
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        "type": "Primary",
        "source": "nvd@nist.gov",
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          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 2.9,
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        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
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          "userInteraction": "NONE",
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  "affected": [
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      "affectedData": [
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          "vendor": "n/a",
          "product": "HUAWEI Mate 20;HUAWEI Mate 20 Pro;Hima-L29C;Laya-AL00EP;OxfordS-AN00A;Tony-AL00B",
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  "published": "2021-07-13T12:15:09.847",
  "references": [
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      "url": "https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210630-01-pathtraversal-en",
      "tags": [
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      "source": "psirt@huawei.com"
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      "url": "https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210630-01-pathtraversal-en",
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      "description": [
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          "value": "CWE-22"
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      "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)."
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      "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 explotación con éxito podría permitir al atacante acceder a una ubicación que está fuera del directorio restringido mediante un nombre de archivo diseñado. Las versiones de producto afectadas son:HUAWEI Mate 20 versión 9.0.0.195(C01E195R2P1), versión 9.1.0.139(C00E133R3P1);HUAWEI Mate 20 Pro versión 9.0. versión 0.187(C432E10R1P16), versión 9.0.0.188(C185E10R2P1), versión 9.0.0.245(C10E10R2P1), versión 9.0.0.266(C432E10R1P16), versión 9.0.0.267(C636E10R2P1),versión 9. versión 0.0.268(C635E12R1P16), versión 9.0.0.278(C185E10R2P1); Hima-L29C versión 9.0.0.105(C10E9R1P16), versión 9.0.0.105(C185E9R1P16), versión 9.0.0. 105(C636E9R1P16); Laya-AL00EP versión 9.1.0.139(C786E133R3P1); OxfordS-AN00A versión 10.1.0.223(C00E210R5P1); Tony-AL00B versión 9.1.0.257(C00E222R2P1)"
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  "lastModified": "2026-06-17T03:37:13.887",
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