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mbCONNECT24 CVE-2026-40847

| EUVD-2026-32146 HIGH
SQL Injection (CWE-89)
2026-05-27 info@cert.vde.com GHSA-v5f5-m9wg-mcq9
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 - 20:25 vuln.today

DescriptionNVD

An low privileged remote attacker can exploit an unauthenticated SQL Injection vulnerability in the system_tag 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 system_tag view of the mbCONNECT24 family of industrial remote-maintenance portals (mbCONNECT24, mymbCONNECT24, myREX24V2 and myREX24V2.virtual) versions 0.0.0 through 2.20.0 lets a remote attacker manipulate a SQL SELECT statement and read arbitrary database contents, yielding a total loss of confidentiality (CVSS 4.0 7.1, VC:H). The CVSS vector indicates a low-privileged account is required (PR:L), though the description text describes the flaw as 'unauthenticated' - this discrepancy should be verified with the vendor. …

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RemediationAI

Within 24 hours: identify all mbCONNECT24 deployments and document current versions in use. Within 7 days: restrict network access to these systems to essential personnel only, deploy WAF rules to block SQL injection patterns in the system_tag parameter, and disable the system_tag view if operationally non-critical. …

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CVE-2026-40847 vulnerability details – vuln.today

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