CVE-2020-1787 Auth bypass in HUAWEI Mate 20
A logic error allows a guest user to bypass the host user's screen lock and access their desktop, requiring a system update.
- 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-2020-1787?
CVE-2020-1787 is a medium-severity authentication bypass vulnerability in HUAWEI Mate 20, published on 9 Jan 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 versions earlier than 9.1.0.139(C00E133R3P1) have an improper authentication vulnerability. The system has a logic error under certain scenario, successful exploit could allow the attacker who gains the privilege of guest user to access to the host user's desktop in an instant, without unlocking the screen lock of the host user.
Weakness: CWE-287
Which versions are affected by CVE-2020-1787?
It affects 1 product.
Products include Huawei Mate 20 Firmware.
How do I fix CVE-2020-1787?
No fix has been published for CVE-2020-1787 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-2020-1787 being exploited?
There is no known exploitation of CVE-2020-1787 in the wild and no public exploit code.
Other vulnerabilities in HUAWEI Mate 20
- CVE-2020-9113 Memory corruption in HUAWEI Mate 20
- CVE-2019-5225 Memory corruption in P30, Mate 20, P30 Pro
- CVE-2020-1796 Missing authorization in HUAWEI Mate 20;HUAWEI Mate 30 Pro
- CVE-2020-1840 Auth bypass in HUAWEI Mate 20
- CVE-2018-7956 Huawei VIP App is a mobile app for Malaysia customers that purchased P20 Series, Nova 3/3i and Mate 20.
Sources
Also known as GHSA-pq48-j2pq-xj5j.