{"api_version":"1","generated_at":"2026-04-22T23:30:30+00:00","cve":"CVE-2019-20479","urls":{"html":"https://cve.report/CVE-2019-20479","api":"https://cve.report/api/cve/CVE-2019-20479.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2019-20479","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-20479"},"summary":{"title":"CVE-2019-20479","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.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2020-02-20 06:15:00","updated_at":"2023-11-07 03:09:00"},"problem_types":["CWE-601"],"metrics":[],"references":[{"url":"https://lists.debian.org/debian-lts-announce/2023/04/msg00034.html","name":"[debian-lts-announce] 20230430 [SECURITY] [DLA 3409-1] libapache2-mod-auth-openidc security update","refsource":"MLIST","tags":[],"title":"[SECURITY] [DLA 3409-1] libapache2-mod-auth-openidc security update","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/27XJYAEONKJDESNE7WVZF5D2Z2OBY5JK/","name":"FEDORA-2020-33d51234cd","refsource":"","tags":[],"title":"[SECURITY] Fedora 32 Update: mod_auth_openidc-2.4.2.1-1.fc32 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/zmartzone/mod_auth_openidc/pull/453","name":"https://github.com/zmartzone/mod_auth_openidc/pull/453","refsource":"MISC","tags":["Patch","Vendor Advisory"],"title":"Fix open redirect starting with a slash and backslash by oss-aimoto · Pull Request #453 · zmartzone/mod_auth_openidc · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/27XJYAEONKJDESNE7WVZF5D2Z2OBY5JK/","name":"FEDORA-2020-33d51234cd","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 32 Update: mod_auth_openidc-2.4.2.1-1.fc32 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.debian.org/debian-lts-announce/2020/02/msg00035.html","name":"[debian-lts-announce] 20200229 [SECURITY] [DLA 2130-1] libapache2-mod-auth-openidc security","refsource":"MLIST","tags":[],"title":"[SECURITY] [DLA 2130-1] libapache2-mod-auth-openidc security","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NGXONXPWTX7DV62TIUIUVOZF4KQ6SIJE/","name":"FEDORA-2020-1106ece93a","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 31 Update: mod_auth_openidc-2.4.2.1-1.fc31 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://lists.debian.org/debian-lts-announce/2020/07/msg00028.html","name":"[debian-lts-announce] 20200729 [SECURITY] [DLA 2298-1] libapache2-mod-auth-openidc security update","refsource":"MLIST","tags":[],"title":"[SECURITY] [DLA 2298-1] libapache2-mod-auth-openidc security update","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00036.html","name":"openSUSE-SU-2020:0376","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2020:0376-1: moderate: Security update f","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NGXONXPWTX7DV62TIUIUVOZF4KQ6SIJE/","name":"FEDORA-2020-1106ece93a","refsource":"","tags":[],"title":"[SECURITY] Fedora 31 Update: mod_auth_openidc-2.4.2.1-1.fc31 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/zmartzone/mod_auth_openidc/commit/02431c0adfa30f478cf2eb20ed6ea51fdf446be7","name":"https://github.com/zmartzone/mod_auth_openidc/commit/02431c0adfa30f478cf2eb20ed6ea51fdf446be7","refsource":"MISC","tags":["Patch"],"title":"Merge pull request #453 from oss-aimoto/fix_openredirect_starting_sla… · zmartzone/mod_auth_openidc@02431c0 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-20479","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-20479","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2019","cve_id":"20479","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"8.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"20479","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"9.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"20479","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"31","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"20479","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"32","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"20479","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"openidc","cpe5":"mod_auth_openidc","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"20479","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"opensuse","cpe5":"leap","cpe6":"15.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"20479","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"zmartzone","cpe5":"mod_auth_openidc","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"20479","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"zmartzone","cpe5":"mod_auth_openidc","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2019-20479","qid":"181758","title":"Debian Security Update for libapache2-mod-auth-openidc (DLA 3409-1)"},{"cve":"CVE-2019-20479","qid":"377438","title":"Alibaba Cloud Linux Security Update for mod_auth_openidc (ALINUX2-SA-2020:0141)"},{"cve":"CVE-2019-20479","qid":"377572","title":"Alibaba Cloud Linux Security Update for mod_auth_openidc:2.3 (ALINUX3-SA-2022:0052)"},{"cve":"CVE-2019-20479","qid":"940291","title":"AlmaLinux Security Update for mod_auth_openidc:2.3 (ALSA-2020:3032)"},{"cve":"CVE-2019-20479","qid":"960371","title":"Rocky Linux Security Update for mod_auth_openidc:2.3 (RLSA-2020:3032)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2019-20479","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"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."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://github.com/zmartzone/mod_auth_openidc/pull/453","refsource":"MISC","name":"https://github.com/zmartzone/mod_auth_openidc/pull/453"},{"url":"https://github.com/zmartzone/mod_auth_openidc/commit/02431c0adfa30f478cf2eb20ed6ea51fdf446be7","refsource":"MISC","name":"https://github.com/zmartzone/mod_auth_openidc/commit/02431c0adfa30f478cf2eb20ed6ea51fdf446be7"},{"refsource":"MLIST","name":"[debian-lts-announce] 20200229 [SECURITY] [DLA 2130-1] libapache2-mod-auth-openidc security","url":"https://lists.debian.org/debian-lts-announce/2020/02/msg00035.html"},{"refsource":"SUSE","name":"openSUSE-SU-2020:0376","url":"http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00036.html"},{"refsource":"FEDORA","name":"FEDORA-2020-33d51234cd","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/27XJYAEONKJDESNE7WVZF5D2Z2OBY5JK/"},{"refsource":"FEDORA","name":"FEDORA-2020-1106ece93a","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NGXONXPWTX7DV62TIUIUVOZF4KQ6SIJE/"},{"refsource":"MLIST","name":"[debian-lts-announce] 20200729 [SECURITY] [DLA 2298-1] libapache2-mod-auth-openidc security update","url":"https://lists.debian.org/debian-lts-announce/2020/07/msg00028.html"},{"refsource":"MLIST","name":"[debian-lts-announce] 20230430 [SECURITY] [DLA 3409-1] libapache2-mod-auth-openidc security update","url":"https://lists.debian.org/debian-lts-announce/2023/04/msg00034.html"}]}},"nvd":{"publishedDate":"2020-02-20 06:15:00","lastModifiedDate":"2023-11-07 03:09:00","problem_types":["CWE-601"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.8,"impactScore":2.7},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:N","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"NONE","baseScore":5.8},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":4.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:openidc:mod_auth_openidc:*:*:*:*:*:*:*:*","versionEndExcluding":"2.4.1","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2019","CveId":"20479","Ordinal":"169690","Title":"CVE-2019-20479","CVE":"CVE-2019-20479","Year":"2019"},"notes":[{"CveYear":"2019","CveId":"20479","Ordinal":"1","NoteData":"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.","Type":"Description","Title":null},{"CveYear":"2019","CveId":"20479","Ordinal":"2","NoteData":"2020-02-20","Type":"Other","Title":"Published"},{"CveYear":"2019","CveId":"20479","Ordinal":"3","NoteData":"2020-07-29","Type":"Other","Title":"Modified"}]}}}