CVE-2021-21437 Config Items are shown to users without permission
Agents can view linked Configuration Items without proper permissions, exposing sensitive data to unauthorized users.
- 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-2021-21437?
CVE-2021-21437 is a low-severity missing authorization vulnerability in OTRS AG ITSMConfigurationManagement, 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 Config Items without permissions, which are defined in General Catalog. This issue affects: OTRSCIsInCustomerFrontend 7.0.15 and prior versions, ITSMConfigurationManagement 7.0.24 and prior versions
Which versions are affected by CVE-2021-21437?
It affects 2 products.
Products include Otrs Itsmconfigurationmanagement, Otrs Otrscisincustomerfrontend.
How do I fix CVE-2021-21437?
No fix has been published for CVE-2021-21437 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-2021-21437 being exploited?
There is no known exploitation of CVE-2021-21437 in the wild and no public exploit code.
Sources
Also known as GHSA-275p-fw84-9hhf.