Security advisory

{
  "id": "234e58b01b3120f6f8a0c957383bcce853502f8573586689baccbc0a70f0a3f2",
  "url": "https://osv.dev/vulnerability/CVE-2023-30570",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-30570",
    "summary": "pluto in Libreswan before 4.11 allows a denial of service (responder SPI mishandling and daemon crash) via unauthenticated IKEv1 Aggressive Mode packets. The earliest affected version is 3.28.",
    "evidence": "osv:CVE-2023-30570",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2023-30570",
      "aliases": [
        "CVE-2023-30570"
      ],
      "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/libreswan/libreswan",
              "type": "GIT",
              "events": [
                {
                  "introduced": "3897683ffe3597b9e57041876c88de73dc2d04cf"
                },
                {
                  "last_affected": "b681175c66a3f902c4459fa2d7f98dffe87fc873"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:libreswan:libreswan:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.28"
                      },
                      {
                        "last_affected": "4.10"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v4.10",
            "v4.9",
            "v4.8",
            "v4.7",
            "v4.6",
            "v4.5",
            "v4.4",
            "v4.3",
            "v4.2",
            "v4.1",
            "v4.0",
            "v3.30",
            "v3.28"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-30570.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:26.355453396Z",
      "provider": "osv",
      "references": [
        "https://libreswan.org/security/CVE-2023-30570/CVE-2023-30570.txt",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/30xxx/CVE-2023-30570.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-30570"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/30xxx/CVE-2023-30570.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-30570",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 493050,
  "published_at": "2023-05-28T00:00:00+00:00"
}