CVE-2020-12528 Missing authorization in mbCONNECT24

Medium 6.5 Published Updated

A logged-in user can terminate web2go sessions in unauthorized accounts due to improper access validation in MB connect line software.

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-2020-12528?

CVE-2020-12528 is a medium-severity missing authorization vulnerability in mbCONNECT24, published on 2 Mar 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An issue was discovered in MB connect line mymbCONNECT24 and mbCONNECT24 software in all versions through V2.6.2. Improper use of access validation allows a logged in user to kill web2go sessions in the account he should not have access to.

Weakness: CWE-269

Which versions are affected by CVE-2020-12528?

It affects 2 products.

Products include Mbconnectline Mbconnect24, Mbconnectline Mymbconnect24.

How do I fix CVE-2020-12528?

No fix has been published for CVE-2020-12528 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-2020-12528 being exploited?

There is no known exploitation of CVE-2020-12528 in the wild and no public exploit code.

Sources

Also known as GHSA-gf82-9fq8-333q.

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