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CVE-2025-59031

Quick assessment

Affected
Open-Xchange GmbH OX Dovecot Pro
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Open-Xchange OX Dovecot Pro是德国Open-Xchange公司的一个邮件存储与投递系统。 Open-Xchange OX Dovecot Pro存在安全漏洞，该漏洞源于附件转文本脚本不安全处理zip格式附件，可能导致特制OOXML文档使系统文件被索引。

CVSS 4.3 · Medium EPSS 0.28% · P19

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2025-59031

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Dovecot has provided a script to use for attachment to text conversion. This script unsafely handles zip-style attachments. Attacker can use specially crafted OOXML documents to cause unintended files on the system to be indexed and subsequently ending up in FTS indexes. Do not use the provided script, instead, use something else like FTS tika. No publicly available exploits are known.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Open-Xchange OX Dovecot Pro 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Open-Xchange OX Dovecot Pro是德国Open-Xchange公司的一个邮件存储与投递系统。 Open-Xchange OX Dovecot Pro存在安全漏洞，该漏洞源于附件转文本脚本不安全处理zip格式附件，可能导致特制OOXML文档使系统文件被索引。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Open-Xchange GmbH OX Dovecot Pro 0 ~ 2.3.0 -

II. Public POCs for CVE-2025-59031

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III. Intelligence Information for CVE-2025-59031

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Same Patch Batch · Open-Xchange GmbH · 2026-03-27 · 11 CVEs total

CVE-2026-24031 7.7 HIGH Open-Xchange OX Dovecot Pro 安全漏洞
CVE-2026-27858 7.5 HIGH Open-Xchange OX Dovecot Pro 安全漏洞
CVE-2025-59032 7.5 HIGH Open-Xchange OX Dovecot Pro 安全漏洞
CVE-2026-27856 7.4 HIGH Open-Xchange OX Dovecot Pro 安全漏洞
CVE-2026-27855 6.8 MEDIUM Open-Xchange OX Dovecot Pro 安全漏洞
CVE-2026-0394 5.3 MEDIUM Open-Xchange OX Dovecot Pro 安全漏洞
CVE-2026-27859 5.3 MEDIUM Open-Xchange OX Dovecot Pro 安全漏洞
CVE-2025-59028 5.3 MEDIUM Open-Xchange OX Dovecot Pro 安全漏洞
CVE-2026-27857 4.3 MEDIUM Open-Xchange OX Dovecot Pro 安全漏洞
CVE-2026-27860 3.7 LOW Open-Xchange OX Dovecot Pro 安全漏洞

IV. Related Vulnerabilities

Same product: OX Dovecot Pro
Same vendor: Open-Xchange GmbH
Same weakness: CWE-200

V. Comments for CVE-2025-59031

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