CVE-2024-6827

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{"affected": [{"affectedData": [{"product": "benoitc/gunicorn", "vendor": "benoitc", "versions": [{"lessThanOrEqual": "latest", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@huntr.dev"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Gunicorn version 21.2.0 does not properly validate the value of the 'Transfer-Encoding' header as specified in the RFC standards, which leads to the default fallback method of 'Content-Length,' making it vulnerable to TE.CL request smuggling. This vulnerability can lead to cache poisoning, data exposure, session manipulation, SSRF, XSS, DoS, data integrity compromise, security bypass, information leakage, and business logic abuse."}, {"lang": "es", "value": "La versi\u00f3n 21.2.0 de Gunicorn no valida correctamente el valor del encabezado \"Transfer-Encoding\" seg\u00fan lo especificado en los est\u00e1ndares RFC, lo que lleva al m\u00e9todo de respaldo predeterminado \"Content-Length\", lo que la hace vulnerable al contrabando de solicitudes TE.CL. Esta vulnerabilidad puede provocar envenenamiento de cach\u00e9, exposici\u00f3n de datos, manipulaci\u00f3n de sesiones, SSRF, XSS, denegaci\u00f3n de servicio (DoS), vulneraci\u00f3n de la integridad de los datos, elusi\u00f3n de seguridad, fuga de informaci\u00f3n y abuso de la l\u00f3gica de negocio."}], "id": "CVE-2024-6827", "lastModified": "2026-06-17T08:18:47.620", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security@huntr.dev", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-6827", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-03-20T17:52:37.458445Z", "version": "2.0.3"}}]}, "published": "2025-03-20T10:15:33.357", "references": [{"source": "security@huntr.dev", "url": "https://huntr.com/bounties/1b4f8f38-39da-44b6-9f98-f618639d0dd7"}], "sourceIdentifier": "security@huntr.dev", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-444"}], "source": "security@huntr.dev", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2025:3709", "cpe": "cpe:/o:redhat:discovery:1.0::el9", "package": "discovery/discovery-server-rhel9:1.13.1-1", "product_name": "Discovery 1 for RHEL 9", "release_date": "2025-04-08T00:00:00Z"}], "bugzilla": {"description": "gunicorn: HTTP Request Smuggling in benoitc/gunicorn", "id": "2353700", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2353700"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "status": "verified"}, "cwe": "CWE-444", "details": ["Gunicorn version 21.2.0 does not properly validate the value of the 'Transfer-Encoding' header as specified in the RFC standards, which leads to the default fallback method of 'Content-Length,' making it vulnerable to TE.CL request smuggling. This vulnerability can lead to cache poisoning, data exposure, session manipulation, SSRF, XSS, DoS, data integrity compromise, security bypass, information leakage, and business logic abuse.", "A flaw was found in Gunicorn. This vulnerability allows request smuggling, leading to cache poisoning, data exposure, session manipulation, Server-side request forgery (SSRF), Cross-site scripting (XSS), denial of service (DoS), data integrity compromise, security bypass, and information leakage via improper validation of the 'Transfer-Encoding' header."], "mitigation": {"lang": "en:us", "value": "Red Hat Product Security currently does not have a recommended mitigation at this time."}, "name": "CVE-2024-6827", "package_state": [{"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Affected", "package_name": "openshift-serverless-1/kn-plugin-func-func-util-rhel8", "product_name": "OpenShift Serverless"}, {"cpe": "cpe:/a:redhat:quay:3", "fix_state": "Affected", "package_name": "quay/quay-rhel8", "product_name": "Red Hat Quay 3"}], "public_date": "2025-03-20T10:09:55Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-6827\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-6827\nhttps://huntr.com/bounties/1b4f8f38-39da-44b6-9f98-f618639d0dd7"], "threat_severity": "Important"}

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