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This body ends up prefixing the next HTTP request sent down that connection, this means when someone loads website attacker may be able to make browser issue a POST to the application, enabling XSS."}, {"lang": "es", "value": "Pulse Secure versiones 9.115,y anteriores, pueden ser susceptibles de contrabando de peticiones http del lado del cliente, cuando la aplicaci\u00f3n recibe una petici\u00f3n POST, ignora el encabezado Content-Length de la petici\u00f3n y deja el cuerpo del POST en el socket TCP/TLS. Este cuerpo termina prefijando la siguiente petici\u00f3n HTTP enviada por esa conexi\u00f3n, esto significa que cuando alguien carga el sitio web el atacante puede ser capaz de hacer que el navegador emita un POST a la aplicaci\u00f3n, permitiendo un ataque de tipo XSS"}], "id": "CVE-2022-21826", "lastModified": "2026-06-17T04:27:03.443", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-09-30T17:15:12.183", "references": [{"source": "support@hackerone.com", "tags": ["Vendor Advisory"], "url": "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/Client-Side-Desync-Attack/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/Client-Side-Desync-Attack/"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-444"}], "source": "support@hackerone.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-444"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

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