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ransomincransom reclama a Kyokuto Kaihatsu Kogyo · JP · Manufacturingransomnova reclama a Phi · Not Foundransomnova reclama a Digipro · Technologyransomnova reclama a Integrated Marketing Services · Business Servicesransomkrybit reclama a eitzchaim.com · IL · Not Foundransomkrybit reclama a formasuniversales.com · MX · Business Servicesransomkrybit reclama a rehabmalaysia.com · MY · Healthcareransomkrybit reclama a www.lagus.cz · CZ · Business Servicesransomgunra 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 · Healthcareransomincransom reclama a Kyokuto Kaihatsu Kogyo · JP · Manufacturingransomnova reclama a Phi · Not Foundransomnova reclama a Digipro · Technologyransomnova reclama a Integrated Marketing Services · Business Servicesransomkrybit reclama a eitzchaim.com · IL · Not Foundransomkrybit reclama a formasuniversales.com · MX · Business Servicesransomkrybit reclama a rehabmalaysia.com · MY · Healthcareransomkrybit reclama a www.lagus.cz · CZ · Business Servicesransomgunra 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 · Healthcare
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CVE Watch

CVE-2021-20021

SonicWall Email Security Improper Privilege Management Vulnerability

CVSS

Sin CVSS

EPSS

83.4%

p100

KEV

3 nov 2021

Exploit Today

80

0-100

Publicado: · Última mod.:

EPSS · 30d
83.4%EPSS · 30 días83.4%
2026-06-302026-07-16
Ficha del catálogo KEV

Producto

SonicWall / SonicWall Email Security

Vulnerabilidad

SonicWall Email Security Improper Privilege Management Vulnerability

Añadido a KEV

3 nov 2021

Remediar antes de

17 nov 2021

Uso conocido en ransomware

Descripción resumida

SonicWall Email Security contains an improper privilege management vulnerability that allows an attacker to create an administrative account by sending a crafted HTTP request to the remote host. This vulnerability has known usage in a SonicWall Email Security exploit chain along with CVE-2021-20022 and CVE-2021-20023 to achieve privilege escalation.

Acción requerida

Apply updates per vendor instructions.

Notas

https://nvd.nist.gov/vuln/detail/CVE-2021-20021

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