CVE-2021-33193

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"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": 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"[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"}]}]}}

{}

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This issue affects Apache HTTP Server 2.4.17 to 2.4.48."}, {"lang": "es", "value": "Un m\u00e9todo dise\u00f1ado enviado mediante HTTP/2 omitir\u00e1 la comprobaci\u00f3n y ser\u00e1 reenviado por mod_proxy, lo que puede conllevar a la divisi\u00f3n de peticiones o el envenenamiento de la cach\u00e9. Este problema afecta a Apache HTTP Server versiones 2.4.17 a 2.4.48."}], "id": "CVE-2021-33193", "lastModified": "2026-06-17T03:54:19.957", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-08-16T08:15:11.480", "references": [{"source": "security@apache.org", "tags": ["Patch"], "url": "https://github.com/apache/httpd/commit/ecebcc035ccd8d0e2984fe41420d9e944f456b3c.patch"}, {"source": "security@apache.org", "tags": ["Patch"], "url": "https://lists.apache.org/thread.html/re4162adc051c1a0a79e7a24093f3776373e8733abaff57253fef341d%40%3Ccvs.httpd.apache.org%3E"}, {"source": "security@apache.org", "tags": ["Patch"], "url": "https://lists.apache.org/thread.html/ree7519d71415ecdd170ff1889cab552d71758d2ba2904a17ded21a70%40%3Ccvs.httpd.apache.org%3E"}, {"source": "security@apache.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2023/03/msg00002.html"}, {"source": "security@apache.org", "tags": ["Third Party Advisory"], 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"Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2023/03/msg00002.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DSM6UWQICBJ2TU727RENU3HBKEAFLT6T/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EUVJVRJRBW5QVX4OY3NOHZDQ3B3YOTSG/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://portswigger.net/research/http2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202208-20"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20210917-0004/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpujan2022.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.tenable.com/security/tns-2021-17"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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{}