CVE-2020-9252 Path traversal in HUAWEI Mate 20
Attackers can write files to arbitrary paths on Huawei Mate 20 and Honor Magic2 devices due to insufficient pathname validation.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-9252?
CVE-2020-9252 is a low-severity path traversal vulnerability in HUAWEI Mate 20, published on 17 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 versions earlier than 10.1.0.160(C00E160R3P8), HUAWEI Mate 20 X versions earlier than 10.1.0.135(C00E135R2P8), HUAWEI Mate 20 RS versions earlier than 10.1.0.160(C786E160R3P8), and Honor Magic2 smartphones versions earlier than 10.1.0.160(C00E160R2P11) have a path traversal vulnerability. The system does not sufficiently validate certain pathname from certain process, successful exploit could allow the attacker write files to a crafted path.
Weakness: CWE-22
Which versions are affected by CVE-2020-9252?
It affects 4 products.
Products include Huawei Magic2 Firmware, Huawei Mate 20 Firmware, Huawei Mate 20 Rs Firmware, Huawei Mate 20 X Firmware.
How do I fix CVE-2020-9252?
No fix has been published for CVE-2020-9252 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2020-9252 being exploited?
There is no known exploitation of CVE-2020-9252 in the wild and no public exploit code.
Sources
Also known as GHSA-9v6x-99vx-fw68.