CVE-2025-59032
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ManageSieve AUTHENTICATE命令在使用字面量作为SASL初始响应时崩溃，可能导致拒绝服务攻击。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1499 · Endpoint Denial of ServiceAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Open-Xchange GmbH | OX Dovecot Pro | ≤ 3.1.0 |
affected |
≤ 2.4.0 |
affected |
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I. Basic Information for CVE-2025-59032
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
ManageSieve AUTHENTICATE command crashes when using literal as SASL initial response. This can be used to crash ManageSieve service repeatedly, making it unavailable for other users. Control access to ManageSieve port, or disable the service if it's not needed. Alternatively upgrade to a fixed version. No publicly available exploits are known.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
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ManageSieve AUTHENTICATE命令在使用字面量作为SASL初始响应时崩溃，可能导致拒绝服务攻击。
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 ~ 3.1.0 | - |
|
II. Public POCs for CVE-2025-59032
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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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-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-2025-59031 | 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 |
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V. Comments for CVE-2025-59032
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