CVE-2024-23943 MB connect line: Cloud API access due to a lack of authentication for a critical function
Unauthenticated attackers can access the cloud API of MB connect line devices due to missing authentication on a critical function.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-23943?
CVE-2024-23943 is a critical missing authorization vulnerability in mbCONNECT24, published on 18 Mar 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-306
Which versions are affected by CVE-2024-23943?
How do I fix CVE-2024-23943?
No fix has been published for CVE-2024-23943 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2024-23943 being exploited?
There is no known exploitation of CVE-2024-23943 in the wild and no public exploit code.
Sources
Also known as GHSA-8qm4-cq94-2553.