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CVE-2026-33617— MB connect line mbCONNECT24 vulnerable to an unauthenticated information disclosure in the data24 Endpoint

Quick assessment

Affected
MB connect line mbCONNECT24
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.

MB Connect Line mbCONNECT24是德国MB Connect Line公司的一套远程服务门户网站。该产品支持远程接入、数据记录和报警等功能。 MB connect line mbCONNECT24存在安全漏洞，该漏洞源于可访问配置文件，可能导致数据库凭据泄露。

CVSS 5.3 · Medium EPSS 0.44% · P36

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2026-33617

Vulnerability Information
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Vulnerability Title
MB connect line mbCONNECT24 vulnerable to an unauthenticated information disclosure in the data24 Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
An unauthenticated remote attacker can access a configuration file containing database credentials. This can result in a some loss of confidentiality, but there is no endpoint exposed to use these credentials.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
将系统数据暴露到未授权控制的范围
Source: CVE Program / CVE List V5
Vulnerability Title
MB Connect Line mbCONNECT24 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MB Connect Line mbCONNECT24是德国MB Connect Line公司的一套远程服务门户网站。该产品支持远程接入、数据记录和报警等功能。 MB connect line mbCONNECT24存在安全漏洞，该漏洞源于可访问配置文件，可能导致数据库凭据泄露。
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
MB connect line mbCONNECT24 0.0.0 ~ 2.19.4 -
MB connect line mymbCONNECT24 0.0.0 ~ 2.19.4 -

II. Public POCs for CVE-2026-33617

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III. Intelligence Information for CVE-2026-33617

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Vendor Advisories for CVE-2026-33617 (2)

Same Patch Batch · MB connect line · 2026-04-02 · 5 CVEs total

CVE-2026-33615 9.1 CRITICAL MB connect line mbCONNECT24 vulnerable to an unauthenticated SQL injection in the setinfo
CVE-2026-33616 7.5 HIGH MB connect line mbCONNECT24 vulnerable to an unauthenticated SQL injection in the mb24api
CVE-2026-33614 7.5 HIGH MB connect line mbCONNECT24 vulnerable to an unauthenticated SQL injection in the getinfo
CVE-2026-33613 7.2 HIGH MB connect line mbCONNECT24 vulnerable to RCE in generateSrpArray

IV. Related Vulnerabilities

Same product: mbCONNECT24
Same vendor: MB connect line
Same weakness: CWE-497

V. Comments for CVE-2026-33617

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