An issue was discovered in MB connect line mymbCONNECT24, mbCONNECT24 and Helmholz myREX24 and myREX24.virtual in all versions through v2.11.2. Improper access validation allows a logged in user to shutdown or reboot devices in his account without having corresponding permissions.
CVSS v4.0 Metrics
Exploitability
Attack VectorNetwork
ComplexityLow
RequirementsPresent
PrivilegesLow
User InteractionNone
Threat
Exploit MaturityPoC
Vulnerable System
ConfidentialityNone
IntegrityNone
AvailabilityHigh
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 | ≥ 2, ≤ 2.11.2 |
| helmholz | myrex24.virtual | ≤ 2.11.2 |
| Helmholz | myREX24.virtual | 2.11.2 |
| MB connect line | mbCONNECT24 | ≥ 2.6.2, ≤ 2.11.2 |
| MB connect line | mymbCONNECT24 | ≥ 2.6.2, ≤ 2.11.2 |
| mbconnectline | mbconnect24 | ≤ 2.11.2 |
| mbconnectline | mymbconnect24 | ≤ 2.11.2 |
Published: 2021-03-02
