CVE-2021-36991 Path traversal in EMUI
Attackers can access unauthorized files on Huawei smartphones by exploiting unstandardized path input in EMUI and Magic UI.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-36991?
CVE-2021-36991 is a high-severity path traversal vulnerability in Huawei Emui, published on 28 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
There is an Unauthorized file access vulnerability in Huawei Smartphone due to unstandardized path input.Successful exploitation of this vulnerability by creating malicious file paths can cause unauthorized file access.
Which versions are affected by CVE-2021-36991?
It affects 2 products.
Products include Huawei Emui, Huawei Magic Ui.
How do I fix CVE-2021-36991?
No fix has been published for CVE-2021-36991 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-2021-36991 being exploited?
There is no known exploitation of CVE-2021-36991 in the wild and no public exploit code.
Other vulnerabilities in Huawei Emui
Sources
Also known as GHSA-97w8-6jxc-j73w.