CVE-2020-9207 Auth bypass in CloudEngine 12800

High 7.8 Published 29 Dec 2020 Updated 4 Aug 2024

Attackers can bypass authentication by uploading malicious files to Huawei CloudEngine switches, potentially compromising service availability.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2020-9207?

CVE-2020-9207 is a high-severity authentication bypass vulnerability in Huawei CloudEngine 12800, published on 29 Dec 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

There is an improper authentication vulnerability in some verisons of Huawei CloudEngine product. A module does not verify the input file properly. Attackers can exploit this vulnerability by crafting malicious files to bypass current verification mechanism. This can compromise normal service.

Weakness: CWE-287

Which versions are affected by CVE-2020-9207?

It affects 4 products.

Products include Huawei Cloudengine 12800 Firmware, Huawei Cloudengine 5800 Firmware, Huawei Cloudengine 6800 Firmware, Huawei Cloudengine 7800 Firmware.

How do I fix CVE-2020-9207?

No fix has been published for CVE-2020-9207 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-2020-9207 being exploited?

There is no known exploitation of CVE-2020-9207 in the wild and no public exploit code.

Sources

Also known as GHSA-g8q3-q7hj-qv33.