CVE-2021-41114

{"containers": {"cna": {"affected": [{"product": "typo3", "vendor": "TYPO3", "versions": [{"status": "affected", "version": ">= 11.0.0, < 11.5.0"}]}], "descriptions": [{"lang": "en", "value": "TYPO3 is an open source PHP based web content management system released under the GNU GPL. It has been discovered that TYPO3 CMS is susceptible to host spoofing due to improper validation of the HTTP Host header. TYPO3 uses the HTTP Host header, for example, to generate absolute URLs during the frontend rendering process. Since the host header itself is provided by the client, it can be forged to any value, even in a name-based virtual hosts environment. This vulnerability is the same as described in TYPO3-CORE-SA-2014-001 (CVE-2014-3941). A regression, introduced during TYPO3 v11 development, led to this situation. The already existing setting $GLOBALS['TYPO3_CONF_VARS']['SYS']['trustedHostsPattern'] (used as an effective mitigation strategy in previous TYPO3 versions) was not evaluated anymore, and reintroduced the vulnerability."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-20", "description": "CWE-20: Improper Input Validation", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-644", "description": "CWE-644: Improper Neutralization of HTTP Headers for Scripting Syntax", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-10-05T17:15:11.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/TYPO3/typo3/security/advisories/GHSA-m2jh-fxw4-gphm"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/TYPO3/typo3/commit/5cbff85506cebe343e5ae59228977547cf8e3cf4"}, {"tags": ["x_refsource_MISC"], "url": "https://typo3.org/security/advisory/typo3-core-sa-2021-015"}], "source": {"advisory": "GHSA-m2jh-fxw4-gphm", "discovery": "UNKNOWN"}, "title": "HTTP Host Header Injection in Request Handling in Typo3", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-41114", "STATE": "PUBLIC", "TITLE": "HTTP Host Header Injection in Request Handling in Typo3"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "typo3", "version": {"version_data": [{"version_value": ">= 11.0.0, < 11.5.0"}]}}]}, "vendor_name": "TYPO3"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "TYPO3 is an open source PHP based web content management system released under the GNU GPL. It has been discovered that TYPO3 CMS is susceptible to host spoofing due to improper validation of the HTTP Host header. TYPO3 uses the HTTP Host header, for example, to generate absolute URLs during the frontend rendering process. Since the host header itself is provided by the client, it can be forged to any value, even in a name-based virtual hosts environment. This vulnerability is the same as described in TYPO3-CORE-SA-2014-001 (CVE-2014-3941). A regression, introduced during TYPO3 v11 development, led to this situation. The already existing setting $GLOBALS['TYPO3_CONF_VARS']['SYS']['trustedHostsPattern'] (used as an effective mitigation strategy in previous TYPO3 versions) was not evaluated anymore, and reintroduced the vulnerability."}]}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-20: Improper Input Validation"}]}, {"description": [{"lang": "eng", "value": "CWE-644: Improper Neutralization of HTTP Headers for Scripting Syntax"}]}]}, "references": {"reference_data": [{"name": "https://github.com/TYPO3/typo3/security/advisories/GHSA-m2jh-fxw4-gphm", "refsource": "CONFIRM", "url": "https://github.com/TYPO3/typo3/security/advisories/GHSA-m2jh-fxw4-gphm"}, {"name": "https://github.com/TYPO3/typo3/commit/5cbff85506cebe343e5ae59228977547cf8e3cf4", "refsource": "MISC", "url": "https://github.com/TYPO3/typo3/commit/5cbff85506cebe343e5ae59228977547cf8e3cf4"}, {"name": "https://typo3.org/security/advisory/typo3-core-sa-2021-015", "refsource": "MISC", "url": "https://typo3.org/security/advisory/typo3-core-sa-2021-015"}]}, "source": {"advisory": "GHSA-m2jh-fxw4-gphm", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T02:59:31.581Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/TYPO3/typo3/security/advisories/GHSA-m2jh-fxw4-gphm"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/TYPO3/typo3/commit/5cbff85506cebe343e5ae59228977547cf8e3cf4"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://typo3.org/security/advisory/typo3-core-sa-2021-015"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-41114", "datePublished": "2021-10-05T17:15:11.000Z", "dateReserved": "2021-09-15T00:00:00.000Z", "dateUpdated": "2024-08-04T02:59:31.581Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "typo3", "vendor": "TYPO3", "versions": [{"status": "affected", "version": ">= 11.0.0, < 11.5.0"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*", "matchCriteriaId": "54DC43E2-9C78-41CE-8072-398F5938E27D", "versionEndExcluding": "11.5.0", "versionStartIncluding": "11.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "TYPO3 is an open source PHP based web content management system released under the GNU GPL. It has been discovered that TYPO3 CMS is susceptible to host spoofing due to improper validation of the HTTP Host header. TYPO3 uses the HTTP Host header, for example, to generate absolute URLs during the frontend rendering process. Since the host header itself is provided by the client, it can be forged to any value, even in a name-based virtual hosts environment. This vulnerability is the same as described in TYPO3-CORE-SA-2014-001 (CVE-2014-3941). A regression, introduced during TYPO3 v11 development, led to this situation. The already existing setting $GLOBALS['TYPO3_CONF_VARS']['SYS']['trustedHostsPattern'] (used as an effective mitigation strategy in previous TYPO3 versions) was not evaluated anymore, and reintroduced the vulnerability."}, {"lang": "es", "value": "TYPO3 es un sistema de administraci\u00f3n de contenidos web de c\u00f3digo abierto basado en PHP y publicado bajo la licencia GNU GPL. Se ha detectado que el CMS TYPO3 es susceptible a la suplantaci\u00f3n de host debido a una comprobaci\u00f3n inapropiada del encabezado HTTP Host. TYPO3 usa el encabezado HTTP Host, por ejemplo, para generar URLs absolutas durante el proceso de renderizaci\u00f3n del frontend. Dado que el propio encabezado de host es proporcionado por el cliente, puede ser falsificado a cualquier valor, incluso en un entorno de hosts virtuales basados en nombres. Esta vulnerabilidad es la misma que se describe en TYPO3-CORE-SA-2014-001 (CVE-2014-3941). Una regresi\u00f3n, introducida durante el desarrollo de TYPO3 v11, conllev\u00f3 a esta situaci\u00f3n. El ajuste ya presente $GLOBALS[\"TYPO3_CONF_VARS\"][\"SYS\"][\"trustedHostsPattern\"] (usado como una estrategia de mitigaci\u00f3n eficaz en las versiones anteriores de TYPO3) ya no es evaluado, y reintrodujo la vulnerabilidad"}], "id": "CVE-2021-41114", "lastModified": "2026-06-17T04:07:53.933", "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": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 2.5, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-10-05T18:15:08.293", "references": [{"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/TYPO3/typo3/commit/5cbff85506cebe343e5ae59228977547cf8e3cf4"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/TYPO3/typo3/security/advisories/GHSA-m2jh-fxw4-gphm"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://typo3.org/security/advisory/typo3-core-sa-2021-015"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/TYPO3/typo3/commit/5cbff85506cebe343e5ae59228977547cf8e3cf4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/TYPO3/typo3/security/advisories/GHSA-m2jh-fxw4-gphm"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://typo3.org/security/advisory/typo3-core-sa-2021-015"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}, {"lang": "en", "value": "CWE-644"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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