{"cve":"CVE-2017-1000452","nvd":{"published":"2018-01-02T17:29:00.697","modified":"2026-06-17T00:59:11.647","status":"Modified","description":"An XML Signature Wrapping vulnerability exists in Samlify 2.2.0 and earlier, and in predecessor Express-saml2 which could allow attackers to impersonate arbitrary users.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.5},"cwes":["CWE-91"],"references":["https://github.com/tngan/samlify/releases/tag/v2.3.0","https://www.whitehats.nl/blog/xml-signature-wrapping-samlify","https://github.com/tngan/samlify/releases/tag/v2.3.0","https://www.whitehats.nl/blog/xml-signature-wrapping-samlify"],"products":["samlify_project:samlify"],"source":"nvd","synced_at":"2026-10-19T20:47:56.471723566+00:00"},"epss":{"cve":"CVE-2017-1000452","score":0.0138,"percentile":0.72135,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-8jjf-w7j6-323c","url":"https://osv.dev/vulnerability/GHSA-8jjf-w7j6-323c","summary":"Samlify vulnerable to Authentication Bypass by allowing tokens to be reused with different usernames","modified":"2023-11-08T03:58:46.722712Z","packages":[{"ecosystem":"npm","name":"samlify","purl":"pkg:npm/samlify","ranges":["<2.4.0-rc5"],"fixed":["2.4.0-rc5"]}]}],"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."]}