Security advisory

{
  "id": "cc0a3967ca20cb9bfbe8c060149fc861c386d27f5fdd07b4507e357004b0c910",
  "url": "https://osv.dev/vulnerability/CVE-2021-31828",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-31828",
    "summary": "An SSRF issue in Open Distro for Elasticsearch (ODFE) before 1.13.1.0 allows an existing privileged user to enumerate listening services or interact with configured resources via HTTP requests exceeding the Alerting plugin's intended scope.",
    "evidence": "osv:CVE-2021-31828",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-31828",
      "aliases": [
        "CVE-2021-31828"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/opendistro-for-elasticsearch/alerting",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "9f2f2cd9f2b7c3b82585555afbf7b62d6bfdc240"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:amazon:open_distro:*:*:*:*:*:elasticsearch:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.13.1.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.12.0.2",
            "v1.12.0.1",
            "v1.12.0.0",
            "v1.11.0.1",
            "v1.11.0.0",
            "v1.10.1.2",
            "v1.10.1.1",
            "v1.10.1.0",
            "v1.10.0.1",
            "v1.10.0.0",
            "v1.9.0.0",
            "v1.8.0.0",
            "v1.7.0.0",
            "v1.6.0.0",
            "v0.8.0.0",
            "v0.7.0.0",
            "v1.2.0.0",
            "v1.1.0.0",
            "0.9.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-31828.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:41.359956923Z",
      "provider": "osv",
      "references": [
        "https://opendistro.github.io/for-elasticsearch-docs/version-history/",
        "https://rotem-bar.com/ssrf-in-open-distro-for-elasticsearch-cve-2021-31828",
        "https://github.com/opendistro-for-elasticsearch/alerting/pull/353"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-31828",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385891,
  "published_at": "2021-05-06T19:15:07.63+00:00"
}