CVE-2021-20756 Missing authorization in Cybozu Garoon

Medium 4.3 Published Updated

Remote authenticated attackers can bypass viewing restrictions to access unauthorized address data in Cybozu Garoon.

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-2021-20756?

CVE-2021-20756 is a medium-severity missing authorization vulnerability in Cybozu Garoon, published on 18 Aug 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Viewing restrictions bypass vulnerability in Address of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote authenticated attacker to obtain the data of Address without the viewing privilege.

Which versions are affected by CVE-2021-20756?

It affects 1 product.

Products include Cybozu Garoon.

How do I fix CVE-2021-20756?

No fix has been published for CVE-2021-20756 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-2021-20756 being exploited?

There is no known exploitation of CVE-2021-20756 in the wild and no public exploit code.

All Cybozu Garoon vulnerabilities

Sources

Also known as GHSA-f7m8-mjcp-g22j.

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