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CVE-2025-30188

Quick assessment

Affected
Open-Xchange GmbH OX App Suite
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 App Suite是德国Open-Xchange公司的一个生产力应用程序套件。 Open-Xchange GmbH OX App Suite存在安全漏洞，该漏洞源于恶意或无意API请求可能导致缓存添加大量数据，从而驱逐Web前端运行所需信息，可能导致组件不可用。

CVSS 7.5 · High EPSS 0.35% · P28

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2025-30188

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Malicious or unintentional API requests can be used to add significant amount of data to caches. Caches may evict information that is required to operate the web frontend, which leads to unavailability of the component. Please deploy the provided updates and patch releases. 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
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
Open-Xchange OX App Suite 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Open-Xchange OX App Suite是德国Open-Xchange公司的一个生产力应用程序套件。 Open-Xchange GmbH OX App Suite存在安全漏洞，该漏洞源于恶意或无意API请求可能导致缓存添加大量数据，从而驱逐Web前端运行所需信息，可能导致组件不可用。
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 App Suite 0 ~ 2.1.7 -

II. Public POCs for CVE-2025-30188

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III. Intelligence Information for CVE-2025-30188

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Vendor Advisories for CVE-2025-30188 (1)

Same Patch Batch · Open-Xchange GmbH · 2025-10-31 · 3 CVEs total

CVE-2025-30189 7.4 HIGH Open-Xchange OX Dovecot Pro 安全漏洞
CVE-2025-30191 5.4 MEDIUM Open-Xchange OX App Suite 安全漏洞

IV. Related Vulnerabilities

Same product: OX App Suite
Same vendor: Open-Xchange GmbH
Same weakness: CWE-400

V. Comments for CVE-2025-30188

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