{"api_version":"1","generated_at":"2026-04-24T22:08:35+00:00","cve":"CVE-2019-20372","urls":{"html":"https://cve.report/CVE-2019-20372","api":"https://cve.report/api/cve/CVE-2019-20372.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2019-20372","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-20372"},"summary":{"title":"CVE-2019-20372","description":"NGINX before 1.17.7, with certain error_page configurations, allows HTTP request smuggling, as demonstrated by the ability of an attacker to read unauthorized web pages in environments where NGINX is being fronted by a load balancer.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2020-01-09 21:15:00","updated_at":"2022-04-06 16:10:00"},"problem_types":["CWE-444"],"metrics":[],"references":[{"url":"https://duo.com/docs/dng-notes#version-1.5.4-january-2020","name":"https://duo.com/docs/dng-notes#version-1.5.4-january-2020","refsource":"MISC","tags":["Release Notes","Third Party Advisory"],"title":"Duo Network Gateway - Release Notes | Duo Security","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/kubernetes/ingress-nginx/pull/4859","name":"https://github.com/kubernetes/ingress-nginx/pull/4859","refsource":"MISC","tags":["Patch","Third Party Advisory"],"title":"Use a named location for authSignURL by aledbf · Pull Request #4859 · kubernetes/ingress-nginx · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://seclists.org/fulldisclosure/2021/Sep/36","name":"20210921 APPLE-SA-2021-09-20-4 Xcode 13","refsource":"FULLDISC","tags":[],"title":"Full Disclosure: APPLE-SA-2021-09-20-4 Xcode 13","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://security.netapp.com/advisory/ntap-20200127-0003/","name":"https://security.netapp.com/advisory/ntap-20200127-0003/","refsource":"CONFIRM","tags":[],"title":"CVE-2019-20372 NGINX vulnerability in NetApp Products | NetApp Product Security","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://nginx.org/en/CHANGES","name":"http://nginx.org/en/CHANGES","refsource":"MISC","tags":["Mitigation","Release Notes","Vendor Advisory"],"title":"","mime":"text/plain","httpstatus":"200","archivestatus":"200"},{"url":"https://bertjwregeer.keybase.pub/2019-12-10%20-%20error_page%20request%20smuggling.pdf","name":"https://bertjwregeer.keybase.pub/2019-12-10%20-%20error_page%20request%20smuggling.pdf","refsource":"MISC","tags":["Exploit","Mitigation","Third Party Advisory"],"title":"","mime":"application/pdf","httpstatus":"200","archivestatus":"200"},{"url":"https://support.apple.com/kb/HT212818","name":"https://support.apple.com/kb/HT212818","refsource":"CONFIRM","tags":[],"title":"About the security content of Xcode 13 - Apple Support","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/nginx/nginx/commit/c1be55f97211d38b69ac0c2027e6812ab8b1b94e","name":"https://github.com/nginx/nginx/commit/c1be55f97211d38b69ac0c2027e6812ab8b1b94e","refsource":"CONFIRM","tags":["Patch","Vendor Advisory"],"title":"Discard request body when redirecting to a URL via error_page. · nginx/nginx@c1be55f · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://usn.ubuntu.com/4235-1/","name":"USN-4235-1","refsource":"UBUNTU","tags":["Third Party Advisory"],"title":"USN-4235-1: nginx vulnerability | Ubuntu security notices | Ubuntu","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00013.html","name":"openSUSE-SU-2020:0204","refsource":"SUSE","tags":[],"title":"[security-announce] openSUSE-SU-2020:0204-1: moderate: Security update f","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://usn.ubuntu.com/4235-2/","name":"USN-4235-2","refsource":"UBUNTU","tags":[],"title":"USN-4235-2: nginx vulnerability | Ubuntu security notices | Ubuntu","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-20372","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-20372","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2019","cve_id":"20372","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"apple","cpe5":"xcode","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"20372","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"canonical","cpe5":"ubuntu_linux","cpe6":"14.04","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"esm","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"20372","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"f5","cpe5":"nginx","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"20372","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"netapp","cpe5":"cloud_backup","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"20372","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"nginx","cpe5":"nginx","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"20372","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"nginx","cpe5":"nginx","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2019","cve_id":"20372","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"opensuse","cpe5":"leap","cpe6":"15.1","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2019-20372","qid":"14013","title":"Ansible Tower Security Update 3.8.1 Multiple Vulnerabilities"},{"cve":"CVE-2019-20372","qid":"356167","title":"Amazon Linux Security Advisory for nginx : ALASNGINX1-2023-004"},{"cve":"CVE-2019-20372","qid":"375873","title":"Apple Xcode Prior to 13 Vulnerability (HT212818)"},{"cve":"CVE-2019-20372","qid":"500428","title":"Alpine Linux Security Update for nginx"},{"cve":"CVE-2019-20372","qid":"504187","title":"Alpine Linux Security Update for nginx"},{"cve":"CVE-2019-20372","qid":"900179","title":"CBL-Mariner Linux Security Update for nginx 1.16.1"},{"cve":"CVE-2019-20372","qid":"903254","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for nginx (2699)"},{"cve":"CVE-2019-20372","qid":"940220","title":"AlmaLinux Security Update for nginx:1.16 (ALSA-2020:5495)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2019-20372","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":"NGINX before 1.17.7, with certain error_page configurations, allows HTTP request smuggling, as demonstrated by the ability of an attacker to read unauthorized web pages in environments where NGINX is being fronted by a load balancer."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://bertjwregeer.keybase.pub/2019-12-10%20-%20error_page%20request%20smuggling.pdf","refsource":"MISC","name":"https://bertjwregeer.keybase.pub/2019-12-10%20-%20error_page%20request%20smuggling.pdf"},{"url":"http://nginx.org/en/CHANGES","refsource":"MISC","name":"http://nginx.org/en/CHANGES"},{"url":"https://duo.com/docs/dng-notes#version-1.5.4-january-2020","refsource":"MISC","name":"https://duo.com/docs/dng-notes#version-1.5.4-january-2020"},{"url":"https://github.com/kubernetes/ingress-nginx/pull/4859","refsource":"MISC","name":"https://github.com/kubernetes/ingress-nginx/pull/4859"},{"refsource":"CONFIRM","name":"https://github.com/nginx/nginx/commit/c1be55f97211d38b69ac0c2027e6812ab8b1b94e","url":"https://github.com/nginx/nginx/commit/c1be55f97211d38b69ac0c2027e6812ab8b1b94e"},{"refsource":"UBUNTU","name":"USN-4235-1","url":"https://usn.ubuntu.com/4235-1/"},{"refsource":"UBUNTU","name":"USN-4235-2","url":"https://usn.ubuntu.com/4235-2/"},{"refsource":"CONFIRM","name":"https://security.netapp.com/advisory/ntap-20200127-0003/","url":"https://security.netapp.com/advisory/ntap-20200127-0003/"},{"refsource":"SUSE","name":"openSUSE-SU-2020:0204","url":"http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00013.html"},{"refsource":"CONFIRM","name":"https://support.apple.com/kb/HT212818","url":"https://support.apple.com/kb/HT212818"},{"refsource":"FULLDISC","name":"20210921 APPLE-SA-2021-09-20-4 Xcode 13","url":"http://seclists.org/fulldisclosure/2021/Sep/36"}]}},"nvd":{"publishedDate":"2020-01-09 21:15:00","lastModifiedDate":"2022-04-06 16:10:00","problem_types":["CWE-444"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM"},"exploitabilityScore":3.9,"impactScore":1.4},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:N/A:N","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":4.3},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:f5:nginx:*:*:*:*:*:*:*:*","versionEndExcluding":"1.17.7","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:apple:xcode:*:*:*:*:*:*:*:*","versionEndExcluding":"13.0","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2019","CveId":"20372","Ordinal":"167014","Title":"CVE-2019-20372","CVE":"CVE-2019-20372","Year":"2019"},"notes":[{"CveYear":"2019","CveId":"20372","Ordinal":"1","NoteData":"NGINX before 1.17.7, with certain error_page configurations, allows HTTP request smuggling, as demonstrated by the ability of an attacker to read unauthorized web pages in environments where NGINX is being fronted by a load balancer.","Type":"Description","Title":null},{"CveYear":"2019","CveId":"20372","Ordinal":"2","NoteData":"2020-01-09","Type":"Other","Title":"Published"},{"CveYear":"2019","CveId":"20372","Ordinal":"3","NoteData":"2021-09-21","Type":"Other","Title":"Modified"}]}}}