{"cve":"CVE-2017-1000433","nvd":{"published":"2018-01-02T23:29:00.337","modified":"2026-06-17T00:59:10.227","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.1},"cwes":["CWE-287"],"references":["https://github.com/rohe/pysaml2/issues/451","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"],"products":["debian:debian_linux","pysaml2_project:pysaml2"],"source":"nvd","synced_at":"2026-10-19T20:47:56.471723566+00:00"},"epss":{"cve":"CVE-2017-1000433","score":0.02541,"percentile":0.84982,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-924m-4pmx-c67h","url":"https://osv.dev/vulnerability/GHSA-924m-4pmx-c67h","summary":"pysaml2 Improper Authentication vulnerability","modified":"2024-10-21T21:25:30.520963Z","packages":[{"ecosystem":"PyPI","name":"pysaml2","purl":"pkg:pypi/pysaml2","ranges":["<4.5.0"],"fixed":["4.5.0"]}]},{"id":"PYSEC-2018-48","url":"https://osv.dev/vulnerability/PYSEC-2018-48","summary":"","modified":"2023-11-08T03:58:46.488294Z","packages":[{"ecosystem":"PyPI","name":"pysaml2","purl":"pkg:pypi/pysaml2","ranges":["<4.5.0"],"fixed":["4.5.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}