What is the severity of CVE-2021-37020?

The severity of CVE-2021-37020 is classified as high due to the potential for stack-based buffer overflow exploits.

How do I fix CVE-2021-37020?

To fix CVE-2021-37020, ensure that your Huawei device is updated to the latest version of EMUI or HarmonyOS that addresses this vulnerability.

Which versions of Huawei software are affected by CVE-2021-37020?

CVE-2021-37020 affects Huawei EMUI versions 9.1.0, 10.0.0, 10.1.0, 10.1.1, 11.0.0, 11.0.1, and various versions of Magic UI and HarmonyOS.

What are the potential impacts of CVE-2021-37020?

Exploitation of CVE-2021-37020 could lead to out-of-bounds read vulnerabilities, allowing unauthorized access to sensitive information.

Who is impacted by CVE-2021-37020?

Users of Huawei smartphones running the affected versions of EMUI, Magic UI, and HarmonyOS are impacted by CVE-2021-37020.

Vulnerability/
CVE-2021-37020

critical

9.1

CWE

787 119

7/12/2021

4/8/2024

CVE-2021-37020: Buffer Overflow

First published: Tue Dec 07 2021(Updated: )

There is a Stack-based Buffer Overflow vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to Out-of-bounds read.

Credit: psirt@huawei.com psirt@huawei.com

Affected Software	Affected Version	How to fix
Huawei Emui	=9.1.0
Huawei Emui	=10.0.0
Huawei Emui	=10.1.0
Huawei Emui	=10.1.1
Huawei Emui	=11.0.0
Huawei Emui	=11.0.1
Huawei Harmonyos	<2.0
Huawei Magic Ui	=3.0.0
Huawei Magic Ui	=3.1.0
Huawei Magic Ui	=3.1.1
Huawei Magic Ui	=4.0.0

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Reference Links

https://device.harmonyos.com/en/docs/security/update/security-bulletins-202109-0000001196270727

Frequently Asked Questions

What is the severity of CVE-2021-37020?
The severity of CVE-2021-37020 is classified as high due to the potential for stack-based buffer overflow exploits.
How do I fix CVE-2021-37020?
To fix CVE-2021-37020, ensure that your Huawei device is updated to the latest version of EMUI or HarmonyOS that addresses this vulnerability.
Which versions of Huawei software are affected by CVE-2021-37020?
CVE-2021-37020 affects Huawei EMUI versions 9.1.0, 10.0.0, 10.1.0, 10.1.1, 11.0.0, 11.0.1, and various versions of Magic UI and HarmonyOS.
What are the potential impacts of CVE-2021-37020?
Exploitation of CVE-2021-37020 could lead to out-of-bounds read vulnerabilities, allowing unauthorized access to sensitive information.
Who is impacted by CVE-2021-37020?
Users of Huawei smartphones running the affected versions of EMUI, Magic UI, and HarmonyOS are impacted by CVE-2021-37020.

collector/nvd-api
collector/nvd-index
agent/author
agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/severity
agent/last-modified-date
agent/weakness
agent/references
agent/tags
agent/description
agent/first-publish-date
agent/event
agent/source
vendor/huawei
canonical/huawei emui
version/huawei emui/9.1.0
version/huawei emui/10.0.0
version/huawei emui/10.1.0
version/huawei emui/10.1.1
version/huawei emui/11.0.0
version/huawei emui/11.0.1
canonical/huawei harmonyos
canonical/huawei magic ui
version/huawei magic ui/3.0.0
version/huawei magic ui/3.1.0
version/huawei magic ui/3.1.1
version/huawei magic ui/4.0.0

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Frequently Asked Questions

What is the severity of CVE-2021-37020?
The severity of CVE-2021-37020 is classified as high due to the potential for stack-based buffer overflow exploits.
How do I fix CVE-2021-37020?
To fix CVE-2021-37020, ensure that your Huawei device is updated to the latest version of EMUI or HarmonyOS that addresses this vulnerability.
Which versions of Huawei software are affected by CVE-2021-37020?
CVE-2021-37020 affects Huawei EMUI versions 9.1.0, 10.0.0, 10.1.0, 10.1.1, 11.0.0, 11.0.1, and various versions of Magic UI and HarmonyOS.
What are the potential impacts of CVE-2021-37020?
Exploitation of CVE-2021-37020 could lead to out-of-bounds read vulnerabilities, allowing unauthorized access to sensitive information.
Who is impacted by CVE-2021-37020?
Users of Huawei smartphones running the affected versions of EMUI, Magic UI, and HarmonyOS are impacted by CVE-2021-37020.