Security advisory

{
  "id": "153fe5254cb6aa82d04152c9b6880fff4e12d3648c8379b6d34e5d53781ed9f7",
  "url": "https://osv.dev/vulnerability/CVE-2021-41843",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-41843",
    "summary": "An authenticated SQL injection issue in the calendar search function of OpenEMR 6.0.0 before patch 3 allows an attacker to read data from all tables of the database via the parameter provider_id, as demonstrated by the /interface/main/calendar/index.php?module=PostCalendar&func=search URI.",
    "evidence": "osv:CVE-2021-41843",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-41843",
      "aliases": [
        "CVE-2021-41843"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/openemr/openemr",
              "type": "GIT",
              "events": [
                {
                  "introduced": "4c3f9f5917d765f944cdbf3b9df15375476b3711"
                },
                {
                  "last_affected": "d132c54f3509537c508fd40c08a27929b61cac1d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:open-emr:openemr:6.0.0:-:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "6.0.0-NA"
                      },
                      {
                        "last_affected": "6.0.0-NA"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:open-emr:openemr:6.0.0:patch_1:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "6.0.0-patch_1"
                      },
                      {
                        "last_affected": "6.0.0-patch_1"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:open-emr:openemr:6.0.0:patch_2:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "6.0.0-patch_2"
                      },
                      {
                        "last_affected": "6.0.0-patch_2"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "6.0.0-NA",
            "6.0.0-patch_1",
            "6.0.0-patch_2",
            "v6_0_0_2",
            "v6_0_0_1",
            "v6_0_0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-41843.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:56.732795421Z",
      "provider": "osv",
      "references": [
        "https://trovent.github.io/security-advisories/TRSA-2109-01/TRSA-2109-01.txt",
        "https://trovent.io/security-advisory-2109-01"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-41843",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 438718,
  "published_at": "2021-12-17T04:15:38.81+00:00"
}