{"cve":"CVE-2019-20479","nvd":{"published":"2020-02-20T06:15:11.027","modified":"2026-06-17T02:30:32.843","status":"Modified","description":"A flaw was found in mod_auth_openidc before version 2.4.1. An open redirect issue exists in URLs with a slash and backslash at the beginning.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-601"],"references":["http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00036.html","https://github.com/zmartzone/mod_auth_openidc/commit/02431c0adfa30f478cf2eb20ed6ea51fdf446be7","https://github.com/zmartzone/mod_auth_openidc/pull/453","https://lists.debian.org/debian-lts-announce/2020/02/msg00035.html","https://lists.debian.org/debian-lts-announce/2020/07/msg00028.html"],"products":["debian:debian_linux","fedoraproject:fedora","openidc:mod_auth_openidc","opensuse:leap"],"source":"nvd","synced_at":"2026-10-19T21:02:53.949909883+00:00"},"epss":{"cve":"CVE-2019-20479","score":0.01893,"percentile":0.79598,"date":"2026-10-31"},"kev":null,"osv":[],"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."]}