CVE Watch1 de out. de 2026

CVE-2021-20023

SonicWall Email Security Path Traversal Vulnerability

CVSS

4.9

Média

EPSS

51.7%

p99

KEV

SIM

3 de nov. de 2021

Exploit Today

0-100

Publicado: 20 de abr. de 2021 · Última mod.: 1 de out. de 2026 · CWE-22

EPSS · 30d

51.7%EPSS · 30 dias51.7%

2026-10-082026-11-05

Ficha do catálogo KEV

Produto

SonicWall / SonicWall Email Security

Vulnerabilidade

SonicWall Email Security Path Traversal Vulnerability

Adicionado ao KEV

3 de nov. de 2021

Corrigir até

17 de nov. de 2021

Uso conhecido em ransomware

Sim

Descrição resumida

SonicWall Email Security contains a path traversal vulnerability that allows a post-authenticated attacker to read files on the remote host. This vulnerability has known usage in a SonicWall Email Security exploit chain along with CVE-2021-20021 and CVE-2021-20022 to achieve privilege escalation.

Ação necessária

Apply updates per vendor instructions.

Notas

https://nvd.nist.gov/vuln/detail/CVE-2021-20023

Descrição técnica

SonicWall Email Security version 10.0.9.x contains a vulnerability that allows a post-authenticated attacker to read an arbitrary file on the remote host.

Referências oficiais

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