What is the severity of CVE-2021-40029?

The severity of CVE-2021-40029 is high due to its potential to cause stability issues in affected devices.

How do I fix CVE-2021-40029?

To fix CVE-2021-40029, update your device to the latest firmware version provided by Huawei.

What systems are affected by CVE-2021-40029?

CVE-2021-40029 affects various Huawei devices running HarmonyOS or EMUI versions 10.0.0 to 12.0.0, and Magic UI versions 3.0.0 to 4.0.0.

What is a buffer overflow vulnerability in relation to CVE-2021-40029?

A buffer overflow vulnerability, like CVE-2021-40029, occurs when data exceeds a buffer's storage capacity, potentially leading to code execution or crashes.

Can CVE-2021-40029 be exploited remotely?

Yes, CVE-2021-40029 can be exploited remotely if an attacker can interact with the Samba server on an affected device.

Vulnerability/
CVE-2021-40029

high

7.5

CWE

120 119

7/1/2022

4/8/2024

CVE-2021-40029: Buffer Overflow

First published: Fri Jan 07 2022(Updated: )

There is a Buffer overflow vulnerability due to a boundary error with the Samba server in the file management module in smartphones. Successful exploitation of this vulnerability may affect function stability.

Credit: psirt@huawei.com

Affected Software	Affected Version	How to fix
Huawei Harmonyos	<2.0
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 Emui	=12.0.0
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

Frequently Asked Questions

What is the severity of CVE-2021-40029?
The severity of CVE-2021-40029 is high due to its potential to cause stability issues in affected devices.
How do I fix CVE-2021-40029?
To fix CVE-2021-40029, update your device to the latest firmware version provided by Huawei.
What systems are affected by CVE-2021-40029?
CVE-2021-40029 affects various Huawei devices running HarmonyOS or EMUI versions 10.0.0 to 12.0.0, and Magic UI versions 3.0.0 to 4.0.0.
What is a buffer overflow vulnerability in relation to CVE-2021-40029?
A buffer overflow vulnerability, like CVE-2021-40029, occurs when data exceeds a buffer's storage capacity, potentially leading to code execution or crashes.
Can CVE-2021-40029 be exploited remotely?
Yes, CVE-2021-40029 can be exploited remotely if an attacker can interact with the Samba server on an affected device.

collector/nvd-index
agent/references
agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/weakness
agent/severity
agent/author
agent/tags
agent/description
agent/first-publish-date
agent/event
agent/source
vendor/huawei
canonical/huawei harmonyos
canonical/huawei emui
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
version/huawei emui/12.0.0
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-2021-40029?
The severity of CVE-2021-40029 is high due to its potential to cause stability issues in affected devices.
How do I fix CVE-2021-40029?
To fix CVE-2021-40029, update your device to the latest firmware version provided by Huawei.
What systems are affected by CVE-2021-40029?
CVE-2021-40029 affects various Huawei devices running HarmonyOS or EMUI versions 10.0.0 to 12.0.0, and Magic UI versions 3.0.0 to 4.0.0.
What is a buffer overflow vulnerability in relation to CVE-2021-40029?
A buffer overflow vulnerability, like CVE-2021-40029, occurs when data exceeds a buffer's storage capacity, potentially leading to code execution or crashes.
Can CVE-2021-40029 be exploited remotely?
Yes, CVE-2021-40029 can be exploited remotely if an attacker can interact with the Samba server on an affected device.