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CVE-2021-22303

Estado: ModificadaBaja (3.3)—

There is a pointer double free vulnerability in Taurus-AL00A 10.0.0.1(C00E1R1P1). There is a lack of muti-thread protection when a function is called. Attackers can exploit this vulnerability by performing malicious operation to cause pointer double free. This may lead to module crash, compromising normal service.

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 (1)

Huawei — Taurus-al00a Firmware

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2021-22303",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
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          "scope": "UNCHANGED",
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          "baseScore": 3.3,
          "attackVector": "LOCAL",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
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        "impactScore": 1.4,
        "exploitabilityScore": 1.8
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  },
  "affected": [
    {
      "source": "psirt@huawei.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Taurus-AL00A",
          "versions": [
            {
              "status": "affected",
              "version": "10.0.0.1(C00E1R1P1)"
            }
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  "published": "2021-02-06T01:15:13.810",
  "references": [
    {
      "url": "https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210127-02-smartphone-en",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@huawei.com"
    },
    {
      "url": "https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210127-02-smartphone-en",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-415"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "There is a pointer double free vulnerability in Taurus-AL00A 10.0.0.1(C00E1R1P1). There is a lack of muti-thread protection when a function is called. Attackers can exploit this vulnerability by performing malicious operation to cause pointer double free. This may lead to module crash, compromising normal service."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de doble liberación de puntero en Taurus-AL00A versión 10.0.0.1(C00E1R1P1). Se presenta una falta de protección entre múltiples subprocesos cuando es llamada una función. Unos atacantes pueden explotar esta vulnerabilidad al llevar a cabo una operación maliciosa para causar una doble liberación de puntero. Esto puede causar un bloqueo del módulo, comprometiendo el servicio normal"
    }
  ],
  "lastModified": "2026-06-17T03:36:58.017",
  "configurations": [
    {
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  "sourceIdentifier": "psirt@huawei.com"
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