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CVE-2021-43264

Estado: ModificadaBaja (3.3)—

In Mahara before 20.04.5, 20.10.3, 21.04.2, and 21.10.0, adjusting the path component for the page help file allows attackers to bypass the intended access control for HTML files via directory traversal. It replaces the - character with the / character.

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)

Mahara — Mahara

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-43264",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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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"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
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        "obtainOtherPrivilege": false,
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          "attackVector": "LOCAL",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
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          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
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          "confidentialityImpact": "LOW"
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        "impactScore": 1.4,
        "exploitabilityScore": 1.8
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  "affected": [
    {
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      "affectedData": [
        {
          "vendor": "n/a",
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          "versions": [
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              "status": "affected",
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  "published": "2021-11-02T22:15:09.027",
  "references": [
    {
      "url": "https://bugs.launchpad.net/mahara/+bug/1944979",
      "tags": [
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        "Third Party Advisory"
      ],
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      "url": "https://mahara.org/interaction/forum/topic.php?id=8954",
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
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      ]
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Mahara before 20.04.5, 20.10.3, 21.04.2, and 21.10.0, adjusting the path component for the page help file allows attackers to bypass the intended access control for HTML files via directory traversal. It replaces the - character with the / character."
    },
    {
      "lang": "es",
      "value": "En Mahara versiones anteriores a 20.04.5, 20.10.3, 21.04.2 y 21.10.0, el ajuste del componente de la ruta para el archivo de ayuda de la página permite a atacantes omitir el control de acceso previsto para los archivos HTML por medio de un salto de directorio. Sustituye el carácter - por el carácter /"
    }
  ],
  "lastModified": "2026-06-17T04:10:44.987",
  "configurations": [
    {
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