Vulnerability-Lookup

FKIE_CVE-2020-24003

Vulnerability from fkie_nvd - Published: 2021-01-11 16:15 - Updated: 2026-06-17 03:05

Severity

3.3 (Low) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Summary

Microsoft Skype through 8.59.0.77 on macOS has the disable-library-validation entitlement, which allows a local process (with the user's privileges) to obtain unprompted microphone and camera access by loading a crafted library and thereby inheriting Skype Client's microphone and camera access.

References

	URL	Tags
	cve@mitre.org	https://www.hdwsec.fr/blog/20200608-skype/	Exploit, Third Party Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://www.hdwsec.fr/blog/20200608-skype/	Exploit, Third Party Advisory

Impacted products

	Vendor	Product	Version
	microsoft	skype	*

JSON

To clipboard

{
  "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:microsoft:skype:*:*:*:*:*:macos:*:*",
              "matchCriteriaId": "47256EF0-9AF6-4D57-8DCD-A133602ECAE5",
              "versionEndIncluding": "8.59.0.77",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Microsoft Skype through 8.59.0.77 on macOS has the disable-library-validation entitlement, which allows a local process (with the user\u0027s privileges) to obtain unprompted microphone and camera access by loading a crafted library and thereby inheriting Skype Client\u0027s microphone and camera access."
    },
    {
      "lang": "es",
      "value": "Microsoft Skype versiones hasta 8.59.0.77 en macOS posee el derecho de deshabilitar la comprobaci\u00f3n de la biblioteca, que permite a un proceso local (con los privilegios del usuario) conseguir acceso no solicitado al micr\u00f3fono y a la c\u00e1mara al cargar una biblioteca dise\u00f1ada y, por lo tanto, heredar el acceso al micr\u00f3fono y la c\u00e1mara del Cliente Skype"
    }
  ],
  "id": "CVE-2020-24003",
  "lastModified": "2026-06-17T03:05:09.680",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 2.1,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 3.3,
          "baseSeverity": "LOW",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-01-11T16:15:14.977",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://www.hdwsec.fr/blog/20200608-skype/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://www.hdwsec.fr/blog/20200608-skype/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2020-24003 (GCVE-0-2020-24003)

Vulnerability from cvelistv5 – Published: 2021-01-11 15:26 – Updated: 2024-08-04 15:05

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://www.hdwsec.fr/blog/20200608-skype/	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-04T15:05:11.690Z",
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              "x_transferred"
            ],
            "url": "https://www.hdwsec.fr/blog/20200608-skype/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "vendor": "n/a",
          "versions": [
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            }
          ]
        }
      ],
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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
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      },
      "references": [
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          "url": "https://www.hdwsec.fr/blog/20200608-skype/"
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      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
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          "ID": "CVE-2020-24003",
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        },
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                      "version": {
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            }
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  "cveMetadata": {
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  "dataType": "CVE_RECORD",
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.