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CVE-2020-11867

Estado: ModificadaBaja (3.3)—

Audacity through 2.3.3 saves temporary files to /var/tmp/audacity-$USER by default. After Audacity creates the temporary directory, it sets its permissions to 755. Any user on the system can read and play the temporary audio .au files located there.

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 (2)

Audacityteam — AudacityFedoraproject — Fedora

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-11867",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "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,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 3.3,
          "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",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-11-30T22:15:10.713",
  "references": [
    {
      "url": "https://github.com/audacity/audacity/releases",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MG5PSF4CJ7UPMJHWX553EG3P2XN3PAYI/",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WKK3S2QBXBHOFOQMXMGY5QAKVUWUX2YY/",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://salvatoresecurity.com/the-many-perils-of-tmp/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/audacity/audacity/releases",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MG5PSF4CJ7UPMJHWX553EG3P2XN3PAYI/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WKK3S2QBXBHOFOQMXMGY5QAKVUWUX2YY/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://salvatoresecurity.com/the-many-perils-of-tmp/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-276"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Audacity through 2.3.3 saves temporary files to /var/tmp/audacity-$USER by default. After Audacity creates the temporary directory, it sets its permissions to 755. Any user on the system can read and play the temporary audio .au files located there."
    },
    {
      "lang": "es",
      "value": "Audacity versiones hasta 2.3.3 guarda archivos temporales en /var/tmp/audacity-$USER por defecto. Una vez que Audacity crea el directorio temporal, establece sus permisos en 755. Cualquier usuario del sistema puede leer y reproducir los archivos .au de audio temporales que se encuentran allí"
    }
  ],
  "lastModified": "2026-06-17T02:50:56.790",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "88443DFE-84FC-4131-9E41-F8AF315624EF",
              "versionEndIncluding": "2.3.3"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
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          "negate": false,
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  "sourceIdentifier": "cve@mitre.org"
}