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CVE-2021-42321

HIGHCISA KEV

8.8

Descripcion

Microsoft Exchange Server Remote Code Execution Vulnerability

Detalles CVE

Puntuacion CVSS v3.18.8

SeveridadHIGH

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosLOW

Interaccion usuarioNONE

Publicado11/10/2021

Ultima modificacion10/30/2025

Fuentekev

Avistamientos honeypot0

CISA KEV

VendedorMicrosoft

ProductoExchange

Nombre vulnerabilidadMicrosoft Exchange Server Remote Code Execution Vulnerability

Fecha inclusion KEV2021-11-17

Fecha limite remediacion2021-12-01

Uso en ransomwareKnown

Productos afectados

microsoft:exchange_server

Referencias

http://packetstormsecurity.com/files/166153/Microsoft-Exchange-Server-Remote-Code-Execution.html(secure@microsoft.com)

http://packetstormsecurity.com/files/168131/Microsoft-Exchange-Server-ChainedSerializationBinder-Remote-Code-Execution.html(secure@microsoft.com)

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42321(secure@microsoft.com)

http://packetstormsecurity.com/files/166153/Microsoft-Exchange-Server-Remote-Code-Execution.html(af854a3a-2127-422b-91ae-364da2661108)

http://packetstormsecurity.com/files/168131/Microsoft-Exchange-Server-ChainedSerializationBinder-Remote-Code-Execution.html(af854a3a-2127-422b-91ae-364da2661108)

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42321(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42321(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlaciones IOC

Sin correlaciones registradas

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