CVE Watch—

CVE-2021-31207

Microsoft Exchange Server Security Feature Bypass Vulnerability

CVSS

—

Sin CVSS

EPSS

99.8%

p100

KEV

SÍ

3 nov 2021

Exploit Today

0-100

Publicado: — · Última mod.: —

EPSS · 30d

99.8%EPSS · 30 días99.8%

2026-09-162026-10-14

Ficha del catálogo KEV

Producto

Microsoft / Exchange Server

Vulnerabilidad

Microsoft Exchange Server Security Feature Bypass Vulnerability

Añadido a KEV

3 nov 2021

Remediar antes de

17 nov 2021

Uso conocido en ransomware

Sí

Descripción resumida

Microsoft Exchange Server contains an unspecified vulnerability that allows for security feature bypass.

Acción requerida

Apply updates per vendor instructions.

Notas

https://nvd.nist.gov/vuln/detail/CVE-2021-31207

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