FKIE_CVE-2021-40848

Vulnerability from fkie_nvd - Published: 2021-11-03 11:15 - Updated: 2026-06-17 04:07
Summary
In Mahara before 20.04.5, 20.10.3, 21.04.2, and 21.10.0, exported CSV files could contain characters that a spreadsheet program could interpret as a command, leading to execution of a malicious string locally on a device, aka CSV injection.
Impacted products
Vendor Product Version
mahara mahara *
mahara mahara *
mahara mahara *
mahara mahara 21.10.0
mahara mahara 21.10.0

{
  "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:mahara:mahara:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "EE5F1CC6-E05D-4D9F-9543-7777025E4BAB",
              "versionEndExcluding": "20.04.5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "54ED5D80-651C-4B0E-81AC-DB23BF6DFCF9",
              "versionEndExcluding": "20.10.3",
              "versionStartIncluding": "20.10.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "5DEE88DE-CD36-4F04-AB37-D155FABD12B8",
              "versionEndExcluding": "21.04.2",
              "versionStartIncluding": "21.04.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mahara:mahara:21.10.0:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "D72713FC-A263-498A-A57F-7E5D21EA7A33",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mahara:mahara:21.10.0:rc2:*:*:*:*:*:*",
              "matchCriteriaId": "5322D614-E2C7-4365-8E95-FFAC8BEBD3EF",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Mahara before 20.04.5, 20.10.3, 21.04.2, and 21.10.0, exported CSV files could contain characters that a spreadsheet program could interpret as a command, leading to execution of a malicious string locally on a device, aka CSV injection."
    },
    {
      "lang": "es",
      "value": "En Mahara versiones anteriores a 20.04.5, 20.10.3, 21.04.2 y 21.10.0, los archivos CSV exportados pod\u00edan contener caracteres que un programa de hoja de c\u00e1lculo pod\u00eda interpretar como un comando, conllevando a una ejecuci\u00f3n de una cadena maliciosa localmente en un dispositivo, lo que se conoce como inyecci\u00f3n CSV"
    }
  ],
  "id": "CVE-2021-40848",
  "lastModified": "2026-06-17T04:07:31.923",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-11-03T11:15:08.267",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://bugs.launchpad.net/mahara/+bug/1930471"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://mahara.org/interaction/forum/topic.php?id=8950"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://bugs.launchpad.net/mahara/+bug/1930471"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://mahara.org/interaction/forum/topic.php?id=8950"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-1236"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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