CVE-2021-40045
First published: Wed Feb 09 2022(Updated: )
There is a vulnerability of signature verification mechanism failure in system upgrade through recovery mode.Successful exploitation of this vulnerability may affect service confidentiality.
Credit: psirt@huawei.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| EMUI 5.0 | =11.0.0 | |
| EMUI 5.0 | =11.0.1 | |
| EMUI 5.0 | =12.0.0 | |
| HarmonyOS | <2.0 | |
| Magic UI | =4.0.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-40045?
CVE-2021-40045 is considered a significant vulnerability due to its potential impact on service confidentiality.
How do I fix CVE-2021-40045?
To mitigate CVE-2021-40045, users should apply the latest firmware updates provided by Huawei for affected software versions.
Which systems are affected by CVE-2021-40045?
CVE-2021-40045 affects Huawei EMUI versions 11.0.0, 11.0.1, 12.0.0, HarmonyOS versions below 2.0, and Huawei Magic UI 4.0.0.
Can CVE-2021-40045 be exploited remotely?
Yes, CVE-2021-40045 can potentially be exploited remotely through the recovery mode during system upgrades.
What are the potential impacts of CVE-2021-40045?
Exploitation of CVE-2021-40045 may lead to unauthorized access and compromise of sensitive service data.
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- collector/mitre-cve
- source/MITRE
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- agent/softwarecombine
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- vendor/huawei
- canonical/emui 5.0
- version/emui 5.0/11.0.0
- version/emui 5.0/11.0.1
- version/emui 5.0/12.0.0
- canonical/harmonyos
- canonical/magic ui
- version/magic ui/4.0.0