GSD-2020-8156

Vulnerability from gsd - Updated: 2023-12-13 01:21
Details
A missing verification of the TLS host in Nextcloud Mail 1.1.3 allowed a man in the middle attack.
Aliases
Aliases
CVE-2020-8156
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{
  "GSD": {
    "alias": "CVE-2020-8156",
    "description": "A missing verification of the TLS host in Nextcloud Mail 1.1.3 allowed a man in the middle attack.",
    "id": "GSD-2020-8156"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-8156"
      ],
      "details": "A missing verification of the TLS host in Nextcloud Mail 1.1.3 allowed a man in the middle attack.",
      "id": "GSD-2020-8156",
      "modified": "2023-12-13T01:21:53.755795Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2020-8156",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Nextcloud Mail",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "1.1.4"
                        }
                      ]
                    }
                  }
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        "problemtype_data": [
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            "description": [
              {
                "lang": "eng",
                "value": "Improper Certificate Validation (CWE-295)"
              }
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          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-020",
            "refsource": "MISC",
            "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-020"
          },
          {
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            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KC6HLX5SG4PZO6Y54D2LFJ4ATG76BKOP/"
          }
        ]
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        "nodes": [
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                "cpe23Uri": "cpe:2.3:a:nextcloud:nextcloud_mail:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "1.1.4",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
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            "children": [],
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        "description": {
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 7.0,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L",
            "version": "3.1"
          },
          "exploitabilityScore": 2.2,
          "impactScore": 4.7
        }
      },
      "lastModifiedDate": "2022-05-24T18:25Z",
      "publishedDate": "2020-05-12T13:15Z"
    }
  }
}



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