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ransomgunra reclama a Dissinger and Dissinger Law Firm · US · Business Servicesransomplay reclama a Boston Electric and Telephone · US · Telecommunicationransomplay reclama a Wring Group · GB · Not Foundransomincransom reclama a asa-international.com · GB · Business Servicesransomplay reclama a AG Scholtes · NL · Manufacturingransomplay reclama a Andorra Life · AD · Healthcareransomplay reclama a Svensk Direktreklam · SE · Business Servicesransomchaos reclama a radiax.com · US · Technologyransominterlock reclama a Converting Equipment International · GB · Manufacturingransomblack x reclama a sanaa · YE · Not Foundransomthegentlemen reclama a Tangram Interiors · GB · Business Servicesransomthegentlemen reclama a BRAC · BD · Business Servicesransomthegentlemen reclama a Customs Watch · US · Public Sectorransomthegentlemen reclama a Gallant · FI · Not Foundransomgunra reclama a Dissinger and Dissinger Law Firm · US · Business Servicesransomplay reclama a Boston Electric and Telephone · US · Telecommunicationransomplay reclama a Wring Group · GB · Not Foundransomincransom reclama a asa-international.com · GB · Business Servicesransomplay reclama a AG Scholtes · NL · Manufacturingransomplay reclama a Andorra Life · AD · Healthcareransomplay reclama a Svensk Direktreklam · SE · Business Servicesransomchaos reclama a radiax.com · US · Technologyransominterlock reclama a Converting Equipment International · GB · Manufacturingransomblack x reclama a sanaa · YE · Not Foundransomthegentlemen reclama a Tangram Interiors · GB · Business Servicesransomthegentlemen reclama a BRAC · BD · Business Servicesransomthegentlemen reclama a Customs Watch · US · Public Sectorransomthegentlemen reclama a Gallant · FI · Not Found
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CVE-2021-34473

Microsoft Exchange Server Remote Code Execution Vulnerability

CVSS

Sin CVSS

EPSS

100.0%

p100

KEV

3 nov 2021

Exploit Today

80

0-100

Publicado: · Última mod.:

EPSS · 30d
100.0%EPSS · 30 días100.0%
2026-06-302026-07-16
Ficha del catálogo KEV

Producto

Microsoft / Exchange Server

Vulnerabilidad

Microsoft Exchange Server Remote Code Execution Vulnerability

Añadido a KEV

3 nov 2021

Remediar antes de

17 nov 2021

Uso conocido en ransomware

Descripción resumida

Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution.

Acción requerida

Apply updates per vendor instructions.

Notas

https://nvd.nist.gov/vuln/detail/CVE-2021-34473

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