CVE-2020-9090 Missing authorization in FusionAccess

High 7.8 Published 12 Oct 2020 Updated 4 Aug 2024

Attackers with lower privileges can execute unauthorized commands in Huawei FusionAccess, potentially escalating privileges or disrupting service.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-9090?

CVE-2020-9090 is a high-severity missing authorization vulnerability in FusionAccess, published on 12 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

FusionAccess version 6.5.1 has an improper authorization vulnerability. A command is authorized with incorrect privilege. Attackers with other privilege can execute the command to exploit this vulnerability. This may compromise normal service of the affected product.

Which versions are affected by CVE-2020-9090?

It affects 1 product.

Products include Huawei Fusionaccess.

How do I fix CVE-2020-9090?

No fix has been published for CVE-2020-9090 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-2020-9090 being exploited?

There is no known exploitation of CVE-2020-9090 in the wild and no public exploit code.

Sources

Also known as GHSA-3jg3-mmc8-2gpj.