What is the severity of CVE-2021-40034?

CVE-2021-40034 has a moderate severity rating due to the potential impact on availability from a memory overwriting vulnerability.

How do I fix CVE-2021-40034?

To fix CVE-2021-40034, users should update their affected Huawei devices to the latest firmware version as recommended by Huawei.

What systems are affected by CVE-2021-40034?

CVE-2021-40034 affects several Huawei software versions, including EMUI 10.1.0, 10.1.1, 11.0.0, 12.0.0, HarmonyOS 2.0, and Magic UI versions 3.1.0, 3.1.1, and 4.0.0.

What causes the vulnerability in CVE-2021-40034?

CVE-2021-40034 is caused by an addition overflow leading to a memory overwriting issue in the video framework.

Can CVE-2021-40034 be exploited remotely?

While CVE-2021-40034 affects availability, specific details on remote exploitation are not provided, but user vigilance is advised.

Vulnerability/
CVE-2021-40034

high

7.5

9/8/2022

4/8/2024

CVE-2021-40034

First published: Tue Aug 09 2022(Updated: )

The video framework has the memory overwriting vulnerability caused by addition overflow. Successful exploitation of this vulnerability may affect the availability.

Credit: psirt@huawei.com

Affected Software	Affected Version	How to fix
Huawei EMUI	=10.1.0
Huawei EMUI	=10.1.1
Huawei EMUI	=11.0.0
Huawei EMUI	=12.0.0
Huawei HarmonyOS	=2.0
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-2021-40034?
CVE-2021-40034 has a moderate severity rating due to the potential impact on availability from a memory overwriting vulnerability.
How do I fix CVE-2021-40034?
To fix CVE-2021-40034, users should update their affected Huawei devices to the latest firmware version as recommended by Huawei.
What systems are affected by CVE-2021-40034?
CVE-2021-40034 affects several Huawei software versions, including EMUI 10.1.0, 10.1.1, 11.0.0, 12.0.0, HarmonyOS 2.0, and Magic UI versions 3.1.0, 3.1.1, and 4.0.0.
What causes the vulnerability in CVE-2021-40034?
CVE-2021-40034 is caused by an addition overflow leading to a memory overwriting issue in the video framework.
Can CVE-2021-40034 be exploited remotely?
While CVE-2021-40034 affects availability, specific details on remote exploitation are not provided, but user vigilance is advised.

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agent/softwarecombine
collector/mitre-cve
source/MITRE
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agent/severity
agent/author
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agent/first-publish-date
agent/event
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collector/nvd-index
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vendor/huawei
canonical/huawei emui
version/huawei emui/10.1.0
version/huawei emui/10.1.1
version/huawei emui/11.0.0
version/huawei emui/12.0.0
canonical/huawei harmonyos
version/huawei harmonyos/2.0
canonical/huawei magic ui
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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