Security advisory

{
  "id": "654f85251590c72ef54eddbaba22108f31c6005f155b11accade5d3184bbcad6",
  "url": "https://osv.dev/vulnerability/CVE-2019-12170",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-12170",
    "summary": "ATutor through 2.2.4 is vulnerable to arbitrary file uploads via the mods/_core/backups/upload.php (aka backup) component. This may result in remote command execution. An attacker can use the instructor account to fully compromise the system using a crafted backup ZIP archive. This will allow for PHP files to be written to the web root, and for code to execute on the remote server.",
    "evidence": "osv:CVE-2019-12170",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-12170",
      "aliases": [
        "CVE-2019-12170"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/atutor/atutor",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "57f990d1a31b234a7c68bf70c40386565bc449e2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:atutor:atutor:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2.2.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "atutor_2_2_4",
            "atutor_2_2_1",
            "atutor_2_2",
            "atutor_2_1_1",
            "atutor_2_1",
            "atutor_1_5_5",
            "atutor_1_5_3_3",
            "atutor_1_5_3_2",
            "atutor_1_5_3_1",
            "atutor_1_5_3",
            "atutor_1_5_2",
            "atutor_1_5_1",
            "atutor_1_5",
            "atutor_1_4_2",
            "start"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-12170.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:25.140060904Z",
      "provider": "osv",
      "references": [
        "https://github.com/fuzzlove/ATutor-Instructor-Backup-Arbitrary-File"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-12170",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 431288,
  "published_at": "2019-05-17T22:29:00.453+00:00"
}