CVE-2020-5566 Missing authorization in Cybozu Garoon

Medium 4.3 Published 28 Apr 2020 Updated 4 Aug 2024

Remote authenticated attackers can alter application data in Cybozu Garoon due to improper authorization checks in email and messaging features.

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-2020-5566?

CVE-2020-5566 is a medium-severity missing authorization vulnerability in Cybozu Garoon, published on 28 Apr 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Improper authorization vulnerability in Cybozu Garoon 4.0.0 to 4.10.3 allows remote authenticated attackers to alter the application's data via the applications 'E-mail' and 'Messages'.

Which versions are affected by CVE-2020-5566?

It affects 1 product.

Products include Cybozu Garoon.

How do I fix CVE-2020-5566?

No fix has been published for CVE-2020-5566 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-2020-5566 being exploited?

There is no known exploitation of CVE-2020-5566 in the wild and no public exploit code.

All Cybozu Garoon vulnerabilities

Sources

Also known as GHSA-w64g-g6j6-ph4q.