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CVE-2021-29505

Estado: ModificadaAlta (8.8)—

XStream is software for serializing Java objects to XML and back again. A vulnerability in XStream versions prior to 1.4.17 may allow a remote attacker has sufficient rights to execute commands of the host only by manipulating the processed input stream. No user who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types is affected. The vulnerability is patched in version 1.4.17.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (17)

CWE

Referencias

JSON original (NVD)

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      "value": "XStream is software for serializing Java objects to XML and back again. A vulnerability in XStream versions prior to 1.4.17 may allow a remote attacker has sufficient rights to execute commands of the host only by manipulating the processed input stream. No user who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types is affected. The vulnerability is patched in version 1.4.17."
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      "value": "XStream es un software para serializar objetos Java a XML y viceversa. Una vulnerabilidad en las versiones de XStream anteriores a la versión 1.4.17 puede permitir a un atacante remoto que tenga derechos suficientes ejecutar comandos del host sólo manipulando el flujo de entrada procesado. Ningún usuario que haya seguido la recomendación de configurar el marco de seguridad de XStream con una lista blanca limitada a los tipos mínimos necesarios está afectado. La vulnerabilidad está parcheada en la versión 1.4.17"
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  "lastModified": "2026-06-17T03:47:47.537",
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  "sourceIdentifier": "security-advisories@github.com"
}