Security advisory

{
  "id": "7ab417572989565dc7c72760396dacb172b5af65ccc00d24319339fad902ff0c",
  "url": "https://osv.dev/vulnerability/CVE-2023-34958",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-34958",
    "summary": "Incorrect access control in Chamilo 1.11.* up to 1.11.18 allows a student subscribed to a given course to download documents belonging to another student if they know the document's ID.",
    "evidence": "osv:CVE-2023-34958",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-34958",
      "aliases": [
        "CVE-2023-34958"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/chamilo/chamilo-lms",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0bf136a473502f7432e01cb576c59f453badd81f"
                },
                {
                  "fixed": "0c1c29db18856a6f25e21d0405dda2c20b35ff3a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "1.11.0"
                      },
                      {
                        "last_affected": "1.11.18"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "0c1c29db18856a6f25e21d0405dda2c20b35ff3a"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-34958.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:30.072508916Z",
      "provider": "osv",
      "references": [
        "https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-109-2023-04-15-Moderate-impact-Moderate-risk-IDOR-in-workstudent-publication",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/34xxx/CVE-2023-34958.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-34958",
        "https://github.com/chamilo/chamilo-lms/commit/0c1c29db18856a6f25e21d0405dda2c20b35ff3a"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/34xxx/CVE-2023-34958.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-34958",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 496569,
  "published_at": "2023-06-08T00:00:00+00:00"
}