CVE-2021-40045 Security feature bypass in EMUI
Attackers can bypass signature verification during recovery mode upgrades, potentially compromising service confidentiality on Huawei devices.
- 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-2021-40045?
CVE-2021-40045 is a medium-severity vulnerability in Huawei Emui, published on 9 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
There is a vulnerability of signature verification mechanism failure in system upgrade through recovery mode.Successful exploitation of this vulnerability may affect service confidentiality.
Weakness: CWE-347
Which versions are affected by CVE-2021-40045?
It affects 3 products.
Products include Huawei Emui, Huawei Harmonyos, Huawei Magic Ui.
How do I fix CVE-2021-40045?
No fix has been published for CVE-2021-40045 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-40045 being exploited?
There is no known exploitation of CVE-2021-40045 in the wild and no public exploit code.
Other vulnerabilities in Huawei Emui
Sources
Also known as GHSA-crq4-6fjx-j758.