CVE-2020-9244 Auth bypass in HUAWEI Mate 20;HUAWEI Mate 20 Pro;HUAWEI Mate 20 X;HUAWEI P30;HUAWEI P30 Pro;HUAWEI Mate 20 RS;HonorMagic2;Honor20;Honor20 PRO;HonorMagic2;HonorV20

Medium 6.8 Published 11 Aug 2020 Updated 4 Aug 2024

Attackers can forge encrypted files by exploiting improper authentication in Huawei mobile devices, requiring key acquisition.

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-2020-9244?

CVE-2020-9244 is a medium-severity authentication bypass vulnerability in HUAWEI Mate 20;HUAWEI Mate 20 Pro;HUAWEI Mate 20 X;HUAWEI P30;HUAWEI P30 Pro;HUAWEI Mate 20 RS;HonorMagic2;Honor20;Honor20 PRO;HonorMagic2;HonorV20, published on 11 Aug 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

HUAWEI Mate 20 versions Versions earlier than 10.1.0.160(C00E160R3P8);HUAWEI Mate 20 Pro versions Versions earlier than 10.1.0.270(C431E7R1P5),Versions earlier than 10.1.0.270(C635E3R1P5),Versions earlier than 10.1.0.273(C636E7R2P4);HUAWEI Mate 20 X versions Versions earlier than 10.1.0.160(C00E160R2P8);HUAWEI P30 versions Versions earlier than 10.1.0.160(C00E160R2P11);HUAWEI P30 Pro versions Versions earlier than 10.1.0.160(C00E160R2P8);HUAWEI Mate 20 RS versions Versions earlier than 10.1.0.160(C786E160R3P8);HonorMagic2 versions Versions earlier than 10.0.0.187(C00E61R2P11);Honor20 versions Versions earlier than 10.0.0.175(C00E58R4P11);Honor20 PRO versions Versions earlier than 10.0.0.194(C00E62R8P12);HonorMagic2 versions Versions earlier than 10.0.0.187(C00E61R2P11);HonorV20 versions Versions earlier than 10.0.0.188(C00E62R2P11) have an improper authentication vulnerability. The system does not properly sign certain encrypted file, the attacker should gain the key used to encrypt the file, successful exploit could cause certain file be forged

Which versions are affected by CVE-2020-9244?

It affects 10 products.

Products include Huawei Honor 20 Firmware, Huawei Honor 20 Pro Firmware, Huawei Honor Magic 2 Firmware, Huawei Honor V20 Firmware, Huawei Mate 20 Firmware, Huawei Mate 20 Pro Firmware and 4 more.

How do I fix CVE-2020-9244?

No fix has been published for CVE-2020-9244 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2020-9244 being exploited?

There is no known exploitation of CVE-2020-9244 in the wild and no public exploit code.

Sources

Also known as GHSA-jx8x-69j8-c7fj.