Security advisory

{
  "id": "0c0531e42eb5a4e04abc183dbf4e372548548aff7d48b8f7fcde8c9c153520ff",
  "url": "https://osv.dev/vulnerability/CVE-2017-1000433",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-1000433",
    "summary": "pysaml2 version 4.4.0 and older accept any password when run with python optimizations enabled. This allows attackers to log in as any user without knowing their password.",
    "evidence": "osv:CVE-2017-1000433",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2017-1000433",
      "aliases": [
        "CVE-2017-1000433",
        "GHSA-924m-4pmx-c67h",
        "PYSEC-2018-48"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/IdentityPython/pysaml2",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "78261b9ae13c3855b33009cb1c5abc2c45839828"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:pysaml2_project:pysaml2:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "4.4.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v4.3.0",
            "v4.4.0",
            "v4.2.0",
            "v4.1.0",
            "4.0.0",
            "v3.0.2",
            "3.0.0",
            "2.4.0",
            "2.3.0",
            "v2.2.0",
            "2.1.0",
            "2.0.0",
            "v1.0.3",
            "0.4.2",
            "1.0.1",
            "1.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-1000433.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/identitypython/pysaml2",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "78261b9ae13c3855b33009cb1c5abc2c45839828"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:pysaml2_project:pysaml2:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "4.4.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v4.3.0",
            "v4.4.0",
            "v4.2.0",
            "v4.1.0",
            "4.0.0",
            "v3.0.2",
            "3.0.0",
            "2.4.0",
            "2.3.0",
            "v2.2.0",
            "2.1.0",
            "2.0.0",
            "v1.0.3",
            "0.4.2",
            "1.0.1",
            "1.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-1000433.json"
          }
        }
      ],
      "modified": "2026-10-24T10:49:26.706128616Z",
      "provider": "osv",
      "references": [
        "https://lists.debian.org/debian-lts-announce/2018/07/msg00000.html",
        "https://lists.debian.org/debian-lts-announce/2021/02/msg00038.html",
        "https://security.gentoo.org/glsa/201801-11",
        "https://github.com/rohe/pysaml2/issues/451"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "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": "8.0"
                  },
                  {
                    "last_affected": "8.0"
                  },
                  {
                    "introduced": "9.0"
                  },
                  {
                    "last_affected": "9.0"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2017-1000433",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 441692,
  "published_at": "2018-01-02T23:29:00.337+00:00"
}