CVE-2020-8121
Vulnerability from cvelistv5
Published
2020-02-04 19:08
Modified
2024-08-04 09:48
Severity ?
Summary
A bug in Nextcloud Server 14.0.4 could expose more data in reshared link shares than intended by the sharer.
References
support@hackerone.comhttps://hackerone.com/reports/452854Exploit, Third Party Advisory
support@hackerone.comhttps://nextcloud.com/security/advisory/?id=NC-SA-2019-003Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/452854Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://nextcloud.com/security/advisory/?id=NC-SA-2019-003Vendor Advisory
Impacted products
Vendor Product Version
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T09:48:25.641Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://hackerone.com/reports/452854"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2019-003"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Nextcloud Server",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "14.0.4"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A bug in Nextcloud Server 14.0.4 could expose more data in reshared link shares than intended by the sharer."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-284",
              "description": "Improper Access Control - Generic (CWE-284)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-02-04T19:08:57",
        "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
        "shortName": "hackerone"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://hackerone.com/reports/452854"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2019-003"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "support@hackerone.com",
          "ID": "CVE-2020-8121",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Nextcloud Server",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "14.0.4"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A bug in Nextcloud Server 14.0.4 could expose more data in reshared link shares than intended by the sharer."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Improper Access Control - Generic (CWE-284)"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://hackerone.com/reports/452854",
              "refsource": "MISC",
              "url": "https://hackerone.com/reports/452854"
            },
            {
              "name": "https://nextcloud.com/security/advisory/?id=NC-SA-2019-003",
              "refsource": "MISC",
              "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2019-003"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
    "assignerShortName": "hackerone",
    "cveId": "CVE-2020-8121",
    "datePublished": "2020-02-04T19:08:57",
    "dateReserved": "2020-01-28T00:00:00",
    "dateUpdated": "2024-08-04T09:48:25.641Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"13.0.9\", \"matchCriteriaId\": \"8BAAC3EE-033F-460F-BC14-D5CFB6674562\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"14.0.0\", \"versionEndExcluding\": \"14.0.5\", \"matchCriteriaId\": \"6B0679AF-2509-4FC9-9ACE-1FD42EF2915E\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"14.0.6\", \"versionEndExcluding\": \"15.0.0\", \"matchCriteriaId\": \"3BD4B2B7-AD86-47F1-9129-2B5FFCF2DD60\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"A bug in Nextcloud Server 14.0.4 could expose more data in reshared link shares than intended by the sharer.\"}, {\"lang\": \"es\", \"value\": \"Un error en Nextcloud Server versi\\u00f3n 14.0.4, podr\\u00eda exponer m\\u00e1s datos de lo previsto en recursos compartidos de enlaces compartidos por parte del compartidor.\"}]",
      "id": "CVE-2020-8121",
      "lastModified": "2024-11-21T05:38:20.170",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N\", \"baseScore\": 8.1, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 5.2}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:S/C:P/I:P/A:N\", \"baseScore\": 5.5, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"SINGLE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"NONE\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 8.0, \"impactScore\": 4.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2020-02-04T20:15:14.307",
      "references": "[{\"url\": \"https://hackerone.com/reports/452854\", \"source\": \"support@hackerone.com\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}, {\"url\": \"https://nextcloud.com/security/advisory/?id=NC-SA-2019-003\", \"source\": \"support@hackerone.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://hackerone.com/reports/452854\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}, {\"url\": \"https://nextcloud.com/security/advisory/?id=NC-SA-2019-003\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
      "sourceIdentifier": "support@hackerone.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"support@hackerone.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-284\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-668\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-8121\",\"sourceIdentifier\":\"support@hackerone.com\",\"published\":\"2020-02-04T20:15:14.307\",\"lastModified\":\"2024-11-21T05:38:20.170\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A bug in Nextcloud Server 14.0.4 could expose more data in reshared link shares than intended by the sharer.\"},{\"lang\":\"es\",\"value\":\"Un error en Nextcloud Server versi\u00f3n 14.0.4, podr\u00eda exponer m\u00e1s datos de lo previsto en recursos compartidos de enlaces compartidos por parte del compartidor.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":5.2}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:P/I:P/A:N\",\"baseScore\":5.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.0,\"impactScore\":4.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"support@hackerone.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-284\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-668\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"13.0.9\",\"matchCriteriaId\":\"8BAAC3EE-033F-460F-BC14-D5CFB6674562\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"14.0.0\",\"versionEndExcluding\":\"14.0.5\",\"matchCriteriaId\":\"6B0679AF-2509-4FC9-9ACE-1FD42EF2915E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"14.0.6\",\"versionEndExcluding\":\"15.0.0\",\"matchCriteriaId\":\"3BD4B2B7-AD86-47F1-9129-2B5FFCF2DD60\"}]}]}],\"references\":[{\"url\":\"https://hackerone.com/reports/452854\",\"source\":\"support@hackerone.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://nextcloud.com/security/advisory/?id=NC-SA-2019-003\",\"source\":\"support@hackerone.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://hackerone.com/reports/452854\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://nextcloud.com/security/advisory/?id=NC-SA-2019-003\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.