CVE-2020-9251 Missing authorization in HUAWEI Mate 20

Low 2.4 Published 27 Jul 2020 Updated 4 Aug 2024

Attackers can bypass student mode restrictions on HUAWEI Mate 20 devices by exploiting improper authorization checks in specific scenarios.

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

What is CVE-2020-9251?

CVE-2020-9251 is a low-severity missing authorization vulnerability in HUAWEI Mate 20, published on 27 Jul 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

HUAWEI Mate 20 smartphones with versions earlier than 10.1.0.160(C00E160R2P11) have an improper authorization vulnerability. The software does not properly restrict certain operation in certain scenario, the attacker should do certain configuration before the user turns on student mode function. Successful exploit could allow the attacker to bypass the limit of student mode function. Affected product versions include: HUAWEI Mate 20 versions Versions earlier than 10.1.0.160(C00E160R3P8).

Which versions are affected by CVE-2020-9251?

It affects 1 product.

Products include Huawei P30 Firmware.

How do I fix CVE-2020-9251?

No fix has been published for CVE-2020-9251 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-2020-9251 being exploited?

There is no known exploitation of CVE-2020-9251 in the wild and no public exploit code.

Sources

Also known as GHSA-gx64-5mxv-c598.