Security advisory

{
  "id": "492fc880b706497a3ad82b1981d69119f385b255f4ab3a2add73bf662e11a13f",
  "url": "https://osv.dev/vulnerability/CVE-2021-46434",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-46434",
    "summary": "EMQ X Dashboard V3.0.0 is affected by username enumeration in the \"/api /v3/auth\" interface. When a user login, the application returns different results depending on whether the account is correct, that allowed an attacker to determine if a given username was valid",
    "evidence": "osv:CVE-2021-46434",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-46434",
      "aliases": [
        "CVE-2021-46434"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/emqx/emqx",
              "type": "GIT",
              "events": [
                {
                  "introduced": "1797aadbe769c08f998f33eb0baf0632b866bb3e"
                },
                {
                  "last_affected": "1797aadbe769c08f998f33eb0baf0632b866bb3e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:emqx:emqx:3.0.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.0.0"
                      },
                      {
                        "last_affected": "3.0.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.0.0",
            "v3.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-46434.json"
          }
        }
      ],
      "modified": "2026-10-20T10:55:23.044505454Z",
      "provider": "osv",
      "references": [
        "https://github.com/emqx/emqx/issues/6791"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-46434",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387075,
  "published_at": "2022-03-28T12:15:07.753+00:00"
}