Security advisory

{
  "id": "3d78a4d7e540e0b1c250da745a34767008c0bfd3aac8ef398a844cdac054d710",
  "url": "https://osv.dev/vulnerability/CVE-2018-9845",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-9845",
    "summary": "Etherpad Lite before 1.6.4 is exploitable for admin access.",
    "evidence": "osv:CVE-2018-9845",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2018-9845",
      "aliases": [
        "CVE-2018-9845"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/ether/etherpad",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "fa83de778cdc6e7c3b83e356b45b76b955ec63ba"
                },
                {
                  "fixed": "ffe24c3dd93efc73e0cbf924db9a0cc40be9511b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:etherpad:etherpad_lite:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.6.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "ffe24c3dd93efc73e0cbf924db9a0cc40be9511b"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.6.2",
            "1.6.1",
            "1.6.0",
            "1.5.7",
            "1.5.6",
            "1.5.5",
            "1.5.4",
            "1.5.3",
            "1.5.2",
            "1.5.1",
            "1.4.1",
            "1.4.0",
            "1.3.0",
            "1.2.12",
            "1.2.9",
            "1.2.7",
            "1.2.6",
            "1.2.5",
            "1.2.4",
            "1.2.3",
            "1.2.2",
            "1.2.1",
            "1.2.0",
            "1.1.5",
            "1.1.4",
            "1.1.3",
            "1.1.2",
            "1.1.1",
            "1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-9845.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:32.696641224Z",
      "provider": "osv",
      "references": [
        "https://github.com/ether/etherpad-lite/blob/develop/CHANGELOG.md",
        "https://github.com/ether/etherpad-lite/commit/ffe24c3dd93efc73e0cbf924db9a0cc40be9511b"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-9845",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381844,
  "published_at": "2018-04-29T18:29:00.223+00:00"
}