Security advisory

{
  "id": "da21b70a6bf5fd5985ee5bd2669c78f29affd19117028e28215458de54a44845",
  "url": "https://osv.dev/vulnerability/CVE-2021-40636",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-40636",
    "summary": "OS4ED openSIS 8.0 is affected by SQL Injection in CheckDuplicateName.php, which can extract information from the database.",
    "evidence": "osv:CVE-2021-40636",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-40636",
      "aliases": [
        "CVE-2021-40636"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/OS4ED/openSIS-Classic",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0a2d61fff35900fc91566e6621d49959599bcb4e"
                },
                {
                  "last_affected": "0a2d61fff35900fc91566e6621d49959599bcb4e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:os4ed:opensis:8.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.0"
                      },
                      {
                        "last_affected": "8.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "8.0",
            "V8.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-40636.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/os4ed/opensis-classic",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0a2d61fff35900fc91566e6621d49959599bcb4e"
                },
                {
                  "last_affected": "0a2d61fff35900fc91566e6621d49959599bcb4e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:os4ed:opensis:8.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.0"
                      },
                      {
                        "last_affected": "8.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "8.0",
            "V8.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-40636.json"
          }
        }
      ],
      "modified": "2026-10-24T10:50:25.476956750Z",
      "provider": "osv",
      "references": [
        "https://github.com/OS4ED/openSIS-Classic/issues/198"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-40636",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 442149,
  "published_at": "2022-03-03T14:15:07.93+00:00"
}