CVE Watch4 de ago. de 2026

CVE-2022-37042

Synacor Zimbra Collaboration Suite (ZCS) Authentication Bypass Vulnerability

CVSS

9.8

Crítica

EPSS

92.1%

p100

KEV

SIM

11 de ago. de 2022

Exploit Today

0-100

Publicado: 12 de ago. de 2022 · Última mod.: 4 de ago. de 2026 · CWE-22

EPSS · 30d

91.9%EPSS · 30 dias92.1%

2026-10-082026-11-05

Ficha do catálogo KEV

Produto

Synacor / Zimbra Collaboration Suite (ZCS)

Vulnerabilidade

Synacor Zimbra Collaboration Suite (ZCS) Authentication Bypass Vulnerability

Adicionado ao KEV

11 de ago. de 2022

Corrigir até

1 de set. de 2022

Uso conhecido em ransomware

Sim

Descrição resumida

Synacor Zimbra Collaboration Suite (ZCS) contains an authentication bypass vulnerability in MailboxImportServlet. This vulnerability was chained with CVE-2022-27925 which allows for unauthenticated remote code execution.

Ação necessária

Apply updates per vendor instructions.

Notas

https://blog.zimbra.com/2022/08/authentication-bypass-in-mailboximportservlet-vulnerability/; https://nvd.nist.gov/vuln/detail/CVE-2022-37042

Descrição técnica

Zimbra Collaboration Suite (ZCS) 8.8.15 and 9.0 has mboximport functionality that receives a ZIP archive and extracts files from it. By bypassing authentication (i.e., not having an authtoken), an attacker can upload arbitrary files to the system, leading to directory traversal and remote code execution. NOTE: this issue exists because of an incomplete fix for CVE-2022-27925.

Referências oficiais

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