{"cve":"CVE-2017-1000246","nvd":{"published":"2017-11-17T04:29:00.513","modified":"2026-06-17T00:58:58.530","status":"Modified","description":"Python package pysaml2 version 4.4.0 and earlier reuses the initialization vector across encryptions in the IDP server, resulting in weak encryption of data.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","score":5.3},"cwes":["CWE-330"],"references":["https://github.com/rohe/pysaml2/issues/417","https://github.com/rohe/pysaml2/issues/417"],"products":["pysaml2_project:pysaml2"],"source":"nvd","synced_at":"2026-10-19T20:47:01.408438353+00:00"},"epss":{"cve":"CVE-2017-1000246","score":0.00888,"percentile":0.59311,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-cq94-qf6q-mf2h","url":"https://osv.dev/vulnerability/GHSA-cq94-qf6q-mf2h","summary":"Pysaml2 improperly initializes encryption vector","modified":"2024-10-14T18:49:14.919228Z","packages":[{"ecosystem":"PyPI","name":"pysaml2","purl":"pkg:pypi/pysaml2","ranges":["<4.6.0"],"fixed":["4.6.0"]}]},{"id":"PYSEC-2017-26","url":"https://osv.dev/vulnerability/PYSEC-2017-26","summary":"","modified":"2023-11-08T03:58:44.721657Z","packages":[{"ecosystem":"PyPI","name":"pysaml2","purl":"pkg:pypi/pysaml2","ranges":["<4.6.0"],"fixed":["4.6.0"]}]}],"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."]}