Critical severity · published Mar 18, 2025
CVE-2024-23943
MB connect line: Cloud API access due to a lack of authentication for a critical function
9.1
CVSS
0.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MB
mbCONNECT24 · MB connect line
before 2.16.2 · source: vendor
MB
mbNET · MB connect line
before 8.2.0 · source: vendor
MB
mbNET.rokey · MB connect line
before 8.2.0 · source: vendor
MY
mymbCONNECT24 · MB connect line
before 2.16.2 · source: vendor
Affected product
MB
mbCONNECT24
MB connect line
More from mbCONNECT24
9.1
CVE-2026-33615
MB connect line mbCONNECT24 vulnerable to an unauthenticated SQL injection in the setinfo Endpoint
8.8
CVE-2026-33613
MB connect line mbCONNECT24 vulnerable to RCE in generateSrpArray
8.2
CVE-2025-3090
MB connect line: Missing Authentication in mbCONNECT24/mymbCONNECT24
7.5
CVE-2026-40850
Unauthenticated SQLi in getAccountData function
7.5
CVE-2026-40819
Unauthenticated SQLi in sync_data24 task