MB connect line: Cloud API access due to a lack of authentication for a critical function
Priority MEDIUM 48CWE-306Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-306.
Summary
An unauthenticated remote attacker can gain access to the cloud API due to a lack of authentication for a critical function in the affected devices. Availability is not affected.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0058 47th percentileScored 2026-11-07
Fix Fixed mbCONNECT24 (MB connect line): 2.16.2mbNET (MB connect line): 8.2.0+2 more products
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| MB connect line | mbCONNECT24 | before 2.16.2 | 2.16.2 | Patch available | CNA |
| MB connect line | mbNET | before 8.2.0 | 8.2.0 | Patch available | CNA |
| MB connect line | mbNET.rokey | before 8.2.0 | 8.2.0 | Patch available | CNA |
| MB connect line | mymbCONNECT24 | before 2.16.2 | 2.16.2 | Patch available | CNA |
- mbCONNECT24 VendorMB connect line Affected before 2.16.2 Fixed in 2.16.2 Patch available CNA
- mbNET VendorMB connect line Affected before 8.2.0 Fixed in 8.2.0 Patch available CNA
- mbNET.rokey VendorMB connect line Affected before 8.2.0 Fixed in 8.2.0 Patch available CNA
- mymbCONNECT24 VendorMB connect line Affected before 2.16.2 Fixed in 2.16.2 Patch available CNA
Remediation
- Fix · CNA mbCONNECT24 (MB connect line) Fixed in 2.16.2
- Fix · CNA mbNET (MB connect line) Fixed in 8.2.0
- Fix · CNA mbNET.rokey (MB connect line) Fixed in 8.2.0
- Fix · CNA mymbCONNECT24 (MB connect line) Fixed in 2.16.2
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
MB connect line mbCONNECT24, mbNET and 2 more products 2.16.2, 8.2.0
2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2024-15923 MB connect line: Configuration File on the client workstation is not encryptedPriority LOW 30
Timeline
- 2026-10-02 Threatist record created from CVE-2024-23943
- 2026-10-03 Alias added: GHSA-8qm4-cq94-2553
References
More MB connect line vulnerabilities
- TI-2024-30346 MB connect line/Helmholz: Remote code execution via confnet service CVSS 3.1CRITICAL 9.8
- TI-2026-25416 Unauthenticated RCE in com_mb24sysapi CVSS 3.1CRITICAL 9.8
- TI-2024-30347 MB connect line/Helmholz: Hardcoded user accounts with hard-coded passwords CVSS 3.1CRITICAL 9.8
- TI-2021-12922 OS Command Injection in mbDIALUP <= 3.9R0.0 CVSS 3.1CRITICAL 9.8
- TI-2026-25997 MB connect line mbCONNECT24 vulnerable to an unauthenticated SQL injection in the setinfo Endpoint CVSS 3.1CRITICAL 9.1
- TI-2020-08317 An issue was discovered in the MB CONNECT LINE mymbCONNECT24 and mbCONNECT24 software in… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2024-23943 · CVE Program
- CVE-2024-23943 · NVD
- FIRST EPSS
- GHSA-8qm4-cq94-2553 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences