gsd-2021-4133
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A flaw was found in Keycloak in versions from 12.0.0 and before 15.1.1 which allows an attacker with any existing user account to create new default user accounts via the administrative REST API even when new user registration is disabled.
Aliases
Aliases
CVE-2021-4133


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-4133",
    "description": "A flaw was found in Keycloak in versions from 12.0.0 and before 15.1.1 which allows an attacker with any existing user account to create new default user accounts via the administrative REST API even when new user registration is disabled.",
    "id": "GSD-2021-4133",
    "references": [
      "https://access.redhat.com/errata/RHSA-2022:0164",
      "https://access.redhat.com/errata/RHSA-2022:0155",
      "https://access.redhat.com/errata/RHSA-2022:0152",
      "https://access.redhat.com/errata/RHSA-2022:0151",
      "https://access.redhat.com/errata/RHSA-2022:0034",
      "https://access.redhat.com/errata/RHSA-2022:0015",
      "https://access.redhat.com/errata/RHSA-2021:5219",
      "https://access.redhat.com/errata/RHSA-2021:5218",
      "https://access.redhat.com/errata/RHSA-2021:5217"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-4133"
      ],
      "details": "A flaw was found in Keycloak in versions from 12.0.0 and before 15.1.1 which allows an attacker with any existing user account to create new default user accounts via the administrative REST API even when new user registration is disabled.",
      "id": "GSD-2021-4133",
      "modified": "2023-12-13T01:23:11.789971Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ID": "CVE-2021-4133",
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      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Keycloak",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "keycloak 15.1.1"
                        }
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          }
        ]
      },
      "problemtype": {
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              {
                "lang": "eng",
                "value": "CWE-863"
              }
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          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2033602",
            "refsource": "MISC",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2033602"
          },
          {
            "name": "https://github.com/keycloak/keycloak/issues/9247",
            "refsource": "MISC",
            "url": "https://github.com/keycloak/keycloak/issues/9247"
          },
          {
            "name": "https://github.com/keycloak/keycloak/security/advisories/GHSA-83x4-9cwr-5487",
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          },
          {
            "name": "https://www.oracle.com/security-alerts/cpuapr2022.html",
            "refsource": "MISC",
            "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "[12.0.0,15.1.1)",
          "affected_versions": "All versions starting from 12.0.0 before 15.1.1",
          "cvss_v2": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-863",
            "CWE-937"
          ],
          "date": "2022-09-03",
          "description": "A flaw was found in Keycloak in versions from 12.0.0 and before 15.1.1 which allows an attacker with any existing user account to create new default user accounts via the administrative REST API even when new user registration is disabled.",
          "fixed_versions": [
            "15.1.1"
          ],
          "identifier": "CVE-2021-4133",
          "identifiers": [
            "CVE-2021-4133",
            "GHSA-83x4-9cwr-5487"
          ],
          "not_impacted": "",
          "package_slug": "maven/org.keycloak/keycloak-parent",
          "pubdate": "2022-01-25",
          "solution": "Upgrade to version 15.1.1 or above.",
          "title": "Incorrect Authorization",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-4133",
            "https://github.com/keycloak/keycloak/security/advisories/GHSA-83x4-9cwr-5487",
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          ],
          "uuid": "566dbe11-dfc0-402d-974c-7f2a69e2e081"
        },
        {
          "affected_range": "[12.0.0,15.1.1)",
          "affected_versions": "All versions starting from 12.0.0 before 15.1.1",
          "cvss_v2": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "cwe_ids": [
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            "CWE-863",
            "CWE-937"
          ],
          "date": "2022-09-05",
          "description": "A flaw was found in Keycloak which allows an attacker with any existing user account to create new default user accounts via the administrative REST API even when new user registration is disabled.",
          "fixed_versions": [
            "15.1.1"
          ],
          "identifier": "CVE-2021-4133",
          "identifiers": [
            "CVE-2021-4133",
            "GHSA-83x4-9cwr-5487"
          ],
          "not_impacted": "All versions before 12.0.0, all versions starting from 15.1.1",
          "package_slug": "maven/org.keycloak/keycloak-services",
          "pubdate": "2022-01-25",
          "solution": "Upgrade to version 15.1.1 or above.",
          "title": "Incorrect Authorization",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-4133",
            "https://github.com/keycloak/keycloak/security/advisories/GHSA-83x4-9cwr-5487",
            "https://github.com/keycloak/keycloak/issues/9247",
            "https://bugzilla.redhat.com/show_bug.cgi?id=2033602"
          ],
          "uuid": "c1b57094-a0bf-46e1-9a9b-c764c17d3607"
        }
      ]
    },
    "nvd.nist.gov": {
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        "nodes": [
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            "children": [],
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                "cpe23Uri": "cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "15.1.1",
                "versionStartIncluding": "12.0.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
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        ]
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      "cve": {
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          "ID": "CVE-2021-4133"
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
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              "description": [
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              "refsource": "MISC",
              "tags": [
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              "url": "https://github.com/keycloak/keycloak/security/advisories/GHSA-83x4-9cwr-5487"
            },
            {
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            },
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              "name": "https://www.oracle.com/security-alerts/cpuapr2022.html",
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        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2022-09-03T03:33Z",
      "publishedDate": "2022-01-25T20:15Z"
    }
  }
}


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