{
  "id": "CVE-2020-24661",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2020-08-26T16:15:12.760",
  "lastModified": "2022-02-22T10:04:11.697",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "GNOME Geary before 3.36.3 mishandles pinned TLS certificate verification for IMAP and SMTP services using invalid TLS certificates (e.g., self-signed certificates) when the client system is not configured to use a system-provided PKCS#11 store. This allows a meddler in the middle to present a different invalid certificate to intercept incoming and outgoing mail."
    },
    {
      "lang": "es",
      "value": "GNOME Geary versiones anteriores a 3.36.3, maneja inapropiadamente la verificaci\u00f3n del certificado TLS anclado para servicios IMAP y SMTP usando certificados TLS no v\u00e1lidos (por ejemplo, certificados autofirmados) cuando el sistema cliente no est\u00e1 configurado para usar una tienda PKCS#11 proporcionada por el sistema. Esto permite a un atacante de tipo meddler in the middle presentar un certificado no v\u00e1lido diferente para interceptar el correo entrante y saliente"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:H/Au:N/C:P/I:N/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "HIGH",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 2.6
        },
        "baseSeverity": "LOW",
        "exploitabilityScore": 4.9,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
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  "references": [
    {
      "url": "https://gitlab.gnome.org/GNOME/geary/-/issues/866",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G7OTYTGND6EFOKNQJWCHKKXKSN7SM73Y/",
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      "url": "https://tools.cisco.com/security/center/content/CiscoSeg/message/NS6CSTOBVO5HSAR3X5CT6DS6QDHXDB26/",
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}