Security advisory

{
  "id": "58022401ca2087572a0741a73983357961ed031a9b01856efbf2275c3e55b529",
  "url": "https://osv.dev/vulnerability/CVE-2019-17240",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-17240",
    "summary": "bl-kernel/security.class.php in Bludit 3.9.2 allows attackers to bypass a brute-force protection mechanism by using many different forged X-Forwarded-For or Client-IP HTTP headers.",
    "evidence": "osv:CVE-2019-17240",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2019-17240",
      "aliases": [
        "CVE-2019-17240"
      ],
      "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/bludit/bludit",
              "type": "GIT",
              "events": [
                {
                  "introduced": "b1fc6cd0be012c038af7ad83ed2209bf7e976f88"
                },
                {
                  "last_affected": "b1fc6cd0be012c038af7ad83ed2209bf7e976f88"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:bludit:bludit:3.9.2:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.9.2"
                      },
                      {
                        "last_affected": "3.9.2"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.9.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-17240.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:48.549940872Z",
      "provider": "osv",
      "references": [
        "https://github.com/bludit/bludit/pull/1090",
        "https://rastating.github.io/bludit-brute-force-mitigation-bypass/"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-17240",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 382192,
  "published_at": "2019-10-06T19:15:09.377+00:00"
}