Security advisory

{
  "id": "8758b5a219a60d6435838bec0dc1cc7d2e46d65ca8b065efc50b662019bee142",
  "url": "https://osv.dev/vulnerability/CVE-2020-10964",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-10964",
    "summary": "Serendipity before 2.3.4 on Windows allows remote attackers to execute arbitrary code because the filename of a renamed file may end with a dot. This file may then be renamed to have a .php filename.",
    "evidence": "osv:CVE-2020-10964",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2020-10964",
      "aliases": [
        "CVE-2020-10964"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/s9y/serendipity",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "b9037fb158dd30595011734bac05f6ae5ba4facf"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:s9y:serendipity:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.3.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "b9037fb158dd30595011734bac05f6ae5ba4facf"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "2.3.4"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.3.3",
            "2.3.2",
            "2.3.1",
            "2.3.0",
            "2.3-rc1",
            "2.3-beta1",
            "2.2.1-alpha1",
            "2.1.1",
            "2.1.0",
            "2.1-rc1",
            "2.1-beta3",
            "2.1-beta2",
            "2.1-beta1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-10964.json"
          }
        }
      ],
      "modified": "2026-10-20T10:51:00.166299677Z",
      "provider": "osv",
      "references": [
        "https://blog.s9y.org/archives/290-Serendipity-2.3.4-released-security-update.html",
        "https://github.com/s9y/Serendipity/releases/tag/2.3.4"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-10964",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 382425,
  "published_at": "2020-03-25T22:15:12.217+00:00"
}