An issue in MB connect line mymbCONNECT24, mbCONNECT24 and Helmholz myREX24 and myREX24.virtual in all versions through v2.11.2 allows a logged in user to see devices in the account he should not have access to due to improper use of access validation.
CVSS v4.0 Metrics
Exploitability
Attack VectorNetwork
ComplexityLow
RequirementsPresent
PrivilegesLow
User InteractionNone
Threat
Exploit MaturityPoC
Vulnerable System
ConfidentialityHigh
IntegrityNone
AvailabilityNone
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Change Log
| Date | Source | Changes | Score |
|---|
| 2026-07-21 | PoC | E: U→P | 2.3 → 5.4 |
| 2026-07-21 | cve.org | initial, patch: Unavailable | 2.3 |
Affected Software
| Vendor | Product | Version |
|---|
| helmholz | myrex24 | ≤ 2.11.2 |
| helmholz | myrex24.virtual | ≤ 2.11.2 |
| mbconnectline | mbconnect24 | ≤ 2.11.2 |
| mbconnectline | mymbconnect24 | ≤ 2.11.2 |
Published: 2021-02-16
