Security advisory

{
  "id": "8346e037b673d6cef31c13e60abdf545b5cc3698faeebb5674ca5e0d394f5577",
  "url": "https://osv.dev/vulnerability/CVE-2017-12869",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-12869",
    "summary": "The multiauth module in SimpleSAMLphp 1.14.13 and earlier allows remote attackers to bypass authentication context restrictions and use an authentication source defined in config/authsources.php via vectors related to improper validation of user input.",
    "evidence": "osv:CVE-2017-12869",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2017-12869",
      "aliases": [
        "CVE-2017-12869",
        "GHSA-qc43-78vj-vg7p"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/simplesamlphp/simplesamlphp",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "5af1eea090cd15f1e560f5d6f459c1e7d1942a21"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:simplesamlphp:simplesamlphp:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "1.14.13"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.14.13",
            "v1.14.12",
            "v1.14.2",
            "v1.14.10",
            "v1.14.11",
            "v1.14.9",
            "v1.14.8",
            "v1.14.7",
            "v1.14.6",
            "v1.14.5",
            "v1.14.4",
            "v1.14.3",
            "v1.14.1",
            "v1.14.0",
            "v1.14.0-rc1",
            "v1.12.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-12869.json"
          }
        }
      ],
      "modified": "2026-10-24T10:31:01.969201496Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2017/12/msg00007.html",
        "https://www.debian.org/security/2018/dsa-4127",
        "https://simplesamlphp.org/security/201704-02"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:simplesamlphp:simplesamlphp:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "simplesamlphp:simplesamlphp",
            "extracted_events": [
              {
                "range": [
                  {
                    "last_affected": "1.14.13"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
              "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
              "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "vendor_product": "debian:debian_linux",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "7.0"
                  },
                  {
                    "last_affected": "7.0"
                  },
                  {
                    "introduced": "8.0"
                  },
                  {
                    "last_affected": "8.0"
                  },
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2017-12869",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 439910,
  "published_at": "2017-09-01T13:29:00.303+00:00"
}