Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessSend crafted SQL payload to userinfo endpoint
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ExploitExploit blind SQL injection in authentication method
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ExecutionExfiltrate sensitive data via time-based or error-based inference
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ImpactAchieve complete confidentiality breach
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Parameterized queries, prepared statements
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Persistence The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | No special conditions — remote unauthenticated exploitation against default configurations. Attacker sends crafted SQL injection payloads to the userinfo endpoint's authentication method without requiring credentials, victim interaction, or special feature enablement. |
| Impact | The CVSS vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) indicates maximum exploitability with network-based attacks requiring low complexity and no privileges or user interaction, though impact is limited to confidentiality. The vulnerability is automatable and could be exploited at scale once details are public. While the 7.5 CVSS score is high, the current risk is moderated by the lack of public exploit code and absence from CISA KEV, suggesting no widespread active exploitation yet. However, the industrial control system context significantly elevates real-world risk because these platforms often provide gateway access to operational technology networks, and extracted credentials could enable lateral movement to critical industrial assets. The blind SQL injection nature may slow exploitation but does not prevent determined attackers from extracting complete databases through time-based or boolean-based techniques. Given the pre-authentication attack surface and the high-value targets (industrial remote access systems), this should be considered a high-priority patch target despite the absence of current exploitation indicators. |
| Exploit ScenarioDerived | An unauthenticated attacker on the internet identifies an exposed mbCONNECT24 portal and crafts malicious SQL payloads in requests to the userinfo endpoint's authentication method, using time-based blind SQL injection techniques to infer database structure and content byte-by-byte. Over several hours of automated queries, the attacker extracts the complete user database including hashed passwords, API keys, and configuration details for connected industrial devices. With this information, the attacker gains legitimate access credentials to industrial control systems managed through the platform, potentially affecting manufacturing operations or critical infrastructure. |
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Alert meAnalysisAIv1 – Mar 23, 2026
A pre-authentication blind SQL injection vulnerability exists in the userinfo endpoint's authentication method, allowing unauthenticated remote attackers to extract sensitive data from backend databases without any credentials. Affected products include MB Connect Line's mbCONNECT24 and mymbCONNECT24 industrial remote access solutions, as well as Helmholz's myREX24v2 and myREX24v2.virtual platforms used in industrial automation environments. With a CVSS score of 7.5 and complete loss of confidentiality, this represents a significant risk to industrial control systems, though no active exploitation (KEV) or public POC has been reported yet.
RemediationAI
Organizations should immediately consult CERT@VDE advisories VDE-2026-024 and VDE-2026-025 (available at https://certvde.com/de/advisories/VDE-2026-024 and https://certvde.com/de/advisories/VDE-2026-025) for specific patch versions and apply vendor-provided security updates from MB Connect Line and Helmholz as soon as they become available. Until patching is complete, implement network segmentation to restrict access to the affected userinfo endpoint to only trusted IP ranges using firewall rules or web application firewalls with SQL injection signature detection enabled. Deploy intrusion detection systems monitoring for SQL injection patterns targeting the authentication method, particularly looking for time delays, boolean-based payloads, or excessive authentication attempts. Consider temporarily disabling remote access through these platforms if business continuity allows, or enforce additional authentication layers such as VPN access before reaching the vulnerable endpoints.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 4 packages in euvd
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability affects industrial remote access and maintenance platforms used in operational technology environments. The affected products include MB Connect Line mbCONNECT24 (cpe:2.3:a:mb_connect_line:mb_connect_line_mbconnect24), mymbCONNECT24 (cpe:2.3:a:mb_connect_line:mymbconnect24), and Helmholz myREX24v2 variants (cpe:2.3:a:helmholz:myrex24v2 and cpe:2.3:a:helmholz:myrex24v2.virtual). The root cause is CWE-89 (Improper Neutralization of Special Elements used in an SQL Command), where user-supplied input in the userinfo endpoint is concatenated directly into SQL SELECT statements without proper sanitization or parameterized queries. The pre-authentication nature means the vulnerability exists before any authentication checks, making it accessible to completely unauthenticated attackers. These platforms typically manage remote connections to industrial equipment, making database contents potentially include credentials, configuration data, and sensitive industrial process information.
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
An unauthenticated remote attacker can exploit a Pre-Auth blind SQL Injection vulnerability in the userinfo endpoint’s authentication method due to improper neutralization of special elements in a SQL SELECT command. This can result in a total loss of confidentiality.
Executive ViewAI
A critical SQL injection vulnerability affecting MB Connect Line and Helmholz industrial remote access platforms allows unauthenticated attackers to extract sensitive database information without credentials. Organizations using mbCONNECT24, mymbCONNECT24, myREX24v2, or myREX24v2.virtual platforms face immediate risk of data breach and potential operational disruption in industrial environments.
Implement WAF rules targeting SQL injection signatures in userinfo endpoint requests; restrict network access to affected platforms using firewall rules and network segmentation; disable remote access features if operationally feasible; enable detailed authentication logging and SQL query monitoring; implement database access controls limiting data exposure; conduct regular security scanning of exposed endpoints; establish incident response procedures for potential data exfiltration.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
SQL injection exploits the way applications construct database queries by mixing user input directly into SQL statements.
EUVD-2026-14407
GHSA-j3h2-gjm7-hpx9
NVD
CVE.org
EPSS
Vulnrichment
VulDB
Exploit-DB