Security advisory

{
  "id": "8d29eefdd6f0eab42aa880c7697cbc2a6fa3369196d294fd21862c297fef20db",
  "url": "https://osv.dev/vulnerability/CVE-2021-42557",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-42557",
    "summary": "In Jeedom through 4.1.19, a bug allows a remote attacker to bypass API access and retrieve users credentials.",
    "evidence": "osv:CVE-2021-42557",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-42557",
      "aliases": [
        "CVE-2021-42557"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/jeedom/core",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "6edbb9685c3563f0c49203db9a0567d3c305ea93"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:jeedom:jeedom:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "4.1.19"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.1.19",
            "4.1.18",
            "4.1.17",
            "3.1",
            "2.3.17",
            "2.3.8"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-42557.json"
          }
        }
      ],
      "modified": "2026-10-20T10:55:12.877300374Z",
      "provider": "osv",
      "references": [
        "https://github.com/jeedom/core/releases",
        "https://www.synacktiv.com/sites/default/files/2021-10/advisory_Jeedom_Auth_Bypass_CVE-2021-42557.pdf"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-42557",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387064,
  "published_at": "2021-11-01T12:15:08.193+00:00"
}