CVE-2021-21438 FAQ articles are shown to users without permission

Low 3.5 Published Updated

Agents can view linked FAQ articles without proper permissions, leading to unauthorized data disclosure in OTRS systems.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2021-21438?

CVE-2021-21438 is a low-severity missing authorization vulnerability in Otrs Otrs, published on 22 Mar 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Agents are able to see linked FAQ articles without permissions (defined in FAQ Category). This issue affects: FAQ version 6.0.29 and prior versions, OTRS version 7.0.24 and prior versions.

Weakness: CWE-276, CWE-264

Which versions are affected by CVE-2021-21438?

It affects 2 products.

Products include Otrs Faq, Otrs Otrs.

How do I fix CVE-2021-21438?

No fix has been published for CVE-2021-21438 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-2021-21438 being exploited?

There is no known exploitation of CVE-2021-21438 in the wild and no public exploit code.

All Otrs Otrs vulnerabilities

Sources

Also known as GHSA-vxww-8wxj-j946.

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