GSD-2021-20283

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
The web service responsible for fetching other users' enrolled courses did not validate that the requesting user had permission to view that information in each course in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.
Aliases
Aliases
CVE-2021-20283
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{
  "GSD": {
    "alias": "CVE-2021-20283",
    "description": "The web service responsible for fetching other users\u0027 enrolled courses did not validate that the requesting user had permission to view that information in each course in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.",
    "id": "GSD-2021-20283"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-20283"
      ],
      "details": "The web service responsible for fetching other users\u0027 enrolled courses did not validate that the requesting user had permission to view that information in each course in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.",
      "id": "GSD-2021-20283",
      "modified": "2023-12-13T01:23:11.919527Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2021-20283",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "moodle",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "Fixed in 3.10.2, 3.9.5, 3.8.8, 3.5.17"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
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            "lang": "eng",
            "value": "The web service responsible for fetching other users\u0027 enrolled courses did not validate that the requesting user had permission to view that information in each course in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-863"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1939051",
            "refsource": "MISC",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1939051"
          },
          {
            "name": "https://moodle.org/mod/forum/discuss.php?d=419654",
            "refsource": "MISC",
            "url": "https://moodle.org/mod/forum/discuss.php?d=419654"
          },
          {
            "name": "FEDORA-2021-1c27e89d49",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS/"
          },
          {
            "name": "FEDORA-2021-50f63a0161",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMT/"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003e=3.5.0,\u003c3.5.17||\u003e=3.8.0,\u003c3.8.8||\u003e=3.9.0,\u003c3.9.5||\u003e=3.10.0,\u003c3.10.2",
          "affected_versions": "All versions starting from 3.5.0 before 3.5.17, all versions starting from 3.8.0 before 3.8.8, all versions starting from 3.9.0 before 3.9.5, all versions starting from 3.10.0 before 3.10.2",
          "cvss_v2": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-862",
            "CWE-937"
          ],
          "date": "2022-08-05",
          "description": "The web service responsible for fetching other users\u0027 enrolled courses does not validate that the requesting user had permission to view that information in each course in moodle ",
          "fixed_versions": [
            "3.5.17",
            "3.8.8",
            "3.9.5",
            "3.10.2"
          ],
          "identifier": "CVE-2021-20283",
          "identifiers": [
            "CVE-2021-20283"
          ],
          "not_impacted": "All versions before 3.5.0, all versions starting from 3.5.17 before 3.8.0, all versions starting from 3.8.8 before 3.9.0, all versions starting from 3.9.5 before 3.10.0, all versions starting from 3.10.2",
          "package_slug": "packagist/moodle/moodle",
          "pubdate": "2021-03-15",
          "solution": "Upgrade to versions 3.5.17, 3.8.8, 3.9.5, 3.10.2 or above.",
          "title": "Incorrect Authorization",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-20283",
            "https://bugzilla.redhat.com/show_bug.cgi?id=1939051",
            "https://moodle.org/mod/forum/discuss.php?d=419654"
          ],
          "uuid": "1447bc49-c005-4260-97e7-dbc30fc27443"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.9.5",
                "versionStartIncluding": "3.9.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.5.17",
                "versionStartIncluding": "3.5.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.10.2",
                "versionStartIncluding": "3.10.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.8.8",
                "versionStartIncluding": "3.8.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "secalert@redhat.com",
          "ID": "CVE-2021-20283"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "The web service responsible for fetching other users\u0027 enrolled courses did not validate that the requesting user had permission to view that information in each course in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-862"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://moodle.org/mod/forum/discuss.php?d=419654",
              "refsource": "MISC",
              "tags": [
                "Patch",
                "Vendor Advisory"
              ],
              "url": "https://moodle.org/mod/forum/discuss.php?d=419654"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1939051",
              "refsource": "MISC",
              "tags": [
                "Issue Tracking",
                "Third Party Advisory"
              ],
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1939051"
            },
            {
              "name": "FEDORA-2021-1c27e89d49",
              "refsource": "FEDORA",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS/"
            },
            {
              "name": "FEDORA-2021-50f63a0161",
              "refsource": "FEDORA",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMT/"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "NONE",
            "baseScore": 4.0,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 8.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 1.4
        }
      },
      "lastModifiedDate": "2022-08-05T17:51Z",
      "publishedDate": "2021-03-15T22:15Z"
    }
  }
}


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  • 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.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • 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.