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CVE-2021-34523

CRITICALCISA KEV

9.0

Descripcion

Microsoft Exchange Server Elevation of Privilege Vulnerability

Detalles CVE

Puntuacion CVSS v3.19.0

SeveridadCRITICAL

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

Vector de ataqueLOCAL

ComplejidadLOW

Privilegios requeridosNONE

Interaccion usuarioNONE

Publicado7/14/2021

Ultima modificacion10/30/2025

Fuentekev

Avistamientos honeypot0

CISA KEV

VendedorMicrosoft

ProductoExchange Server

Nombre vulnerabilidadMicrosoft Exchange Server Privilege Escalation Vulnerability

Fecha inclusion KEV2021-11-03

Fecha limite remediacion2021-11-17

Uso en ransomwareKnown

Productos afectados

microsoft:exchange_server

Referencias

http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.html(secure@microsoft.com)

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34523(secure@microsoft.com)

https://www.zerodayinitiative.com/advisories/ZDI-21-822/(secure@microsoft.com)

http://packetstormsecurity.com/files/163895/Microsoft-Exchange-ProxyShell-Remote-Code-Execution.html(af854a3a-2127-422b-91ae-364da2661108)

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34523(af854a3a-2127-422b-91ae-364da2661108)

https://www.zerodayinitiative.com/advisories/ZDI-21-822/(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-34523(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlaciones IOC

Sin correlaciones registradas

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