{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "state": "PUBLISHED", "cveId": "CVE-2021-33193", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "assignerShortName": "apache", "dateUpdated": "2024-08-03T23:42:20.253Z", "dateReserved": "2021-05-19T00:00:00.000Z", "datePublished": "2021-08-16T00:00:00.000Z" }, "containers": { "cna": { "title": "Request splitting via HTTP/2 method injection and mod_proxy", "providerMetadata": { "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2023-03-03T00:00:00.000Z" }, "descriptions": [ { "lang": "en", "value": "A crafted method sent through HTTP/2 will bypass validation and be forwarded by mod_proxy, which can lead to request splitting or cache poisoning. This issue affects Apache HTTP Server 2.4.17 to 2.4.48." } ], "affected": [ { "vendor": "Apache Software Foundation", "product": "Apache HTTP Server", "versions": [ { "version": "Apache HTTP Server 2.4 2.4.17 to 2.4.48", "status": "affected" } ] } ], "references": [ { "url": "https://portswigger.net/research/http2" }, { "url": "https://github.com/apache/httpd/commit/ecebcc035ccd8d0e2984fe41420d9e944f456b3c.patch" }, { "name": "[httpd-cvs] 20210916 [httpd-site] branch main updated: Revert \"Add descriptions for CVE-2021-33193 CVE-2021-36160\"", "tags": [ "mailing-list" ], "url": "https://lists.apache.org/thread.html/re4162adc051c1a0a79e7a24093f3776373e8733abaff57253fef341d%40%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210916 [httpd-site] branch main updated: Add descriptions for CVE-2021-33193 CVE-2021-36160", "tags": [ "mailing-list" ], "url": "https://lists.apache.org/thread.html/ree7519d71415ecdd170ff1889cab552d71758d2ba2904a17ded21a70%40%3Ccvs.httpd.apache.org%3E" }, { "name": "FEDORA-2021-5d2d4b6ac5", "tags": [ "vendor-advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DSM6UWQICBJ2TU727RENU3HBKEAFLT6T/" }, { "name": "FEDORA-2021-f94985afca", "tags": [ "vendor-advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EUVJVRJRBW5QVX4OY3NOHZDQ3B3YOTSG/" }, { "name": "20211124 Multiple Vulnerabilities in Apache HTTP Server Affecting Cisco Products: November 2021", "tags": [ "vendor-advisory" ], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ" }, { "url": "https://www.oracle.com/security-alerts/cpujan2022.html" }, { "url": "https://security.netapp.com/advisory/ntap-20210917-0004/" }, { "url": "https://www.tenable.com/security/tns-2021-17" }, { "url": "https://www.oracle.com/security-alerts/cpuapr2022.html" }, { "name": "GLSA-202208-20", "tags": [ "vendor-advisory" ], "url": "https://security.gentoo.org/glsa/202208-20" }, { "name": "[debian-lts-announce] 20230303 [SECURITY] [DLA 3351-1] apache2 security update", "tags": [ "mailing-list" ], "url": "https://lists.debian.org/debian-lts-announce/2023/03/msg00002.html" } ], "credits": [ { "lang": "en", "value": "Reported by James Kettle of PortSwigger" } ], "metrics": [ { "other": { "type": "unknown", "content": { "other": "moderate" } } } ], "problemTypes": [ { "descriptions": [ { "type": "text", "lang": "en", "description": "Request Splitting" } ] } ], "x_generator": { "engine": "Vulnogram 0.0.9" }, "source": { "discovery": "UNKNOWN" }, "timeline": [ { "lang": "en", "time": "2021-05-11T00:00:00.000Z", "value": "reported" }, { "lang": "en", "time": "2021-08-06T00:00:00.000Z", "value": "public" } ] }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T23:42:20.253Z" }, "title": "CVE Program Container", "references": [ { "url": "https://portswigger.net/research/http2", "tags": [ "x_transferred" ] }, { "url": "https://github.com/apache/httpd/commit/ecebcc035ccd8d0e2984fe41420d9e944f456b3c.patch", "tags": [ "x_transferred" ] }, { "name": "[httpd-cvs] 20210916 [httpd-site] branch main updated: Revert \"Add descriptions for CVE-2021-33193 CVE-2021-36160\"", "tags": [ "mailing-list", "x_transferred" ], "url": "https://lists.apache.org/thread.html/re4162adc051c1a0a79e7a24093f3776373e8733abaff57253fef341d%40%3Ccvs.httpd.apache.org%3E" }, { "name": "[httpd-cvs] 20210916 [httpd-site] branch main updated: Add descriptions for CVE-2021-33193 CVE-2021-36160", "tags": [ "mailing-list", "x_transferred" ], "url": "https://lists.apache.org/thread.html/ree7519d71415ecdd170ff1889cab552d71758d2ba2904a17ded21a70%40%3Ccvs.httpd.apache.org%3E" }, { "name": "FEDORA-2021-5d2d4b6ac5", "tags": [ "vendor-advisory", "x_transferred" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DSM6UWQICBJ2TU727RENU3HBKEAFLT6T/" }, { "name": "FEDORA-2021-f94985afca", "tags": [ "vendor-advisory", "x_transferred" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EUVJVRJRBW5QVX4OY3NOHZDQ3B3YOTSG/" }, { "name": "20211124 Multiple Vulnerabilities in Apache HTTP Server Affecting Cisco Products: November 2021", "tags": [ "vendor-advisory", "x_transferred" ], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ" }, { "url": "https://www.oracle.com/security-alerts/cpujan2022.html", "tags": [ "x_transferred" ] }, { "url": "https://security.netapp.com/advisory/ntap-20210917-0004/", "tags": [ "x_transferred" ] }, { "url": "https://www.tenable.com/security/tns-2021-17", "tags": [ "x_transferred" ] }, { "url": "https://www.oracle.com/security-alerts/cpuapr2022.html", "tags": [ "x_transferred" ] }, { "name": "GLSA-202208-20", "tags": [ "vendor-advisory", "x_transferred" ], "url": "https://security.gentoo.org/glsa/202208-20" }, { "name": "[debian-lts-announce] 20230303 [SECURITY] [DLA 3351-1] apache2 security update", "tags": [ "mailing-list", "x_transferred" ], "url": "https://lists.debian.org/debian-lts-announce/2023/03/msg00002.html" } ] } ] } }