CVE-2021-46856 Path traversal in EMUI
Attackers can exploit a path traversal flaw in the multi-screen collaboration module to access sensitive data on Huawei devices.
- 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-2021-46856?
CVE-2021-46856 is a high-severity path traversal vulnerability in Huawei Emui, published on 20 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The multi-screen collaboration module has a path traversal vulnerability. Successful exploitation of this vulnerability may affect data confidentiality.
Weakness: CWE-22
Which versions are affected by CVE-2021-46856?
It affects 2 products.
Products include Huawei Emui, Huawei Harmonyos.
How do I fix CVE-2021-46856?
No fix has been published for CVE-2021-46856 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-2021-46856 being exploited?
There is no known exploitation of CVE-2021-46856 in the wild and no public exploit code.
Other vulnerabilities in Huawei Emui
Sources
Also known as GHSA-878w-44xc-hm5q.