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CVE-2020-11867

Status: ModifiedLow (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

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

Audacityteam — AudacityFedoraproject — Fedora

CWEs

References

Raw JSON (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"
            }
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          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
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          "negate": false,
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  "sourceIdentifier": "cve@mitre.org"
}