{
  "id": "CVE-2021-26911",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2021-02-17T21:15:12.900",
  "lastModified": "2021-02-24T20:07:14.727",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "core/imap/MCIMAPSession.cpp in Canary Mail before 3.22 has Missing SSL Certificate Validation for IMAP in STARTTLS mode."
    },
    {
      "lang": "es",
      "value": "El archivo core/imap/MCIMAPSession.cpp en Canary Mail versiones anteriores a 3.22, tiene una Falta de Comprobaci\u00f3n de Certificado SSL para IMAP en modo STARTTLS"
    }
  ],
  "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:H/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE",
          "baseScore": 7.4,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.2
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.8
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 4.9,
        "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": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:canarymail:canary_mail:3.20:*:*:*:*:iphone_os:*:*",
              "matchCriteriaId": "8A0F96F5-488B-485C-93D9-0DFE7DD732C4"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:canarymail:canary_mail:3.21:*:*:*:*:iphone_os:*:*",
              "matchCriteriaId": "A3D232FE-4500-4FD5-B7B0-901134B488E2"
            }
          ]
        }
      ]
    },
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:libmailcore:mailcore2:0.6.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "973E27F1-AE98-4C43-BE54-C4A453EEF046"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://www.openwall.com/lists/oss-security/2021/02/17/3",
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://apps.apple.com/us/app/canary-mail/id1236045954",
      "source": "cve@mitre.org",
      "tags": [
        "Product",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://census-labs.com/news/2021/02/17/canary-mail-app-missing-certificate-validation-check-on-imap-starttls/",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://census-labs.com/news/category/advisories/",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/canarymail/mailcore2/commit/45acb4efbcaa57a20ac5127dc976538671fce018",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.openwall.com/lists/oss-security/2021/02/17/3",
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Patch",
        "Third Party Advisory"
      ]
    }
  ]
}