Security advisory

{
  "id": "02144f4339dd8dc1288b28631b2c781d073afda94d8e3186581cdd9d66496558",
  "url": "https://osv.dev/vulnerability/CVE-2020-13530",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-13530",
    "summary": "A denial-of-service vulnerability exists in the Ethernet/IP server functionality of the EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A large number of network requests in a small span of time can cause the running program to stop. An attacker can send a sequence of requests to trigger this vulnerability.",
    "evidence": "osv:CVE-2020-13530",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2020-13530",
      "aliases": [
        "CVE-2020-13530"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/eipstackgroup/opener",
              "type": "GIT",
              "events": [
                {
                  "introduced": "150146e3058a493d5accf6d5f76ff450468d7bd7"
                },
                {
                  "last_affected": "150146e3058a493d5accf6d5f76ff450468d7bd7"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:opener_project:opener:2.3:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.3"
                      },
                      {
                        "last_affected": "2.3"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.3",
            "v2.3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13530.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:53.220770424Z",
      "provider": "osv",
      "references": [
        "https://talosintelligence.com/vulnerability_reports/TALOS-2020-1143"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-13530",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 437869,
  "published_at": "2020-12-11T04:15:11.267+00:00"
}