CVE-2023-4834 Missing authorization in mbCONNECT24

Medium 4.3 Published Updated

Authenticated low-privileged attackers can access unauthorized device information due to improper access validation in Red Lion and Helmholz industrial gateways.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-4834?

CVE-2023-4834 is a medium-severity missing authorization vulnerability in Helmholz mbCONNECT24, published on 16 Oct 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

In Red Lion Europe mbCONNECT24 and mymbCONNECT24 and Helmholz myREX24 and myREX24.virtual up to and including 2.14.2 an improperly implemented access validation allows an authenticated, low privileged attacker to gain read access to limited, non-critical device information in his account he should not have access to.

Weakness: CWE-269

Which versions are affected by CVE-2023-4834?

It affects 4 products.

Products include Helmholz Myrex24, Helmholz Myrex24.virtual, Mbconnectline Mbconnect24, Mbconnectline Mymbconnect24.

How do I fix CVE-2023-4834?

No fix has been published for CVE-2023-4834 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-2023-4834 being exploited?

There is no known exploitation of CVE-2023-4834 in the wild and no public exploit code.

Sources

Also known as GHSA-rqp9-whcw-xww5.

Is CVE-2023-4834 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free