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mbCONNECT24 CVE-2026-40843

| EUVD-2026-32142 HIGH
SQL Injection (CWE-89)
2026-05-27 info@cert.vde.com GHSA-jmjj-cmh5-j2g5
7.1
CVSS 4.0
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CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

1
Analysis Generated
May 27, 2026 - 20:23 vuln.today

DescriptionNVD

An low privileged remote attacker can exploit an unauthenticated SQL Injection vulnerability in the alarming view due to improper neutralization of special elements in a SQL SELECT command. This can result in a total loss of confidentiality.

AnalysisAI

SQL injection in the alarming view of MB connect line's remote-maintenance platforms - mbCONNECT24, mymbCONNECT24, and the myREX24V2/myREX24V2.virtual portals up to and including version 2.20.0 - lets a remote, low-privileged user smuggle crafted input into a SQL SELECT statement and read arbitrary database contents, resulting in total loss of confidentiality. The CVSS 4.0 vector (PR:L) indicates a low-privileged account is required, even though the advisory text calls the flaw 'unauthenticated' - a discrepancy worth verifying. …

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RemediationAI

Within 24 hours: Audit logs for anomalous database queries from low-privileged accounts; restrict network access to affected portals to essential users only. Within 7 days: Enforce database-level role-based access controls limiting low-privileged account query scope; deploy WAF rules to block SQL injection patterns targeting the alarming view. …

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CVE-2026-40843 vulnerability details – vuln.today

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