What is the severity of CVE-2021-22394?

CVE-2021-22394 has a high severity as it can lead to denial of service for apps during Multi-Screen Collaboration.

How do I fix CVE-2021-22394?

To fix CVE-2021-22394, update your Huawei device to the latest firmware version that addresses this vulnerability.

What devices are affected by CVE-2021-22394?

CVE-2021-22394 affects Huawei devices running EMUI versions 10.1.0, 10.1.1, and 11.0.0, as well as Magic UI and HarmonyOS versions specified.

What types of attacks can exploit CVE-2021-22394?

Exploitations of CVE-2021-22394 can cause denial of service for applications during active Multi-Screen Collaboration.

Can CVE-2021-22394 lead to data breaches?

While CVE-2021-22394 primarily causes denial of service, it does not directly lead to data breaches.

Vulnerability/
CVE-2021-22394

critical

9.1

CWE

119 120

25/2/2022

3/8/2024

CVE-2021-22394: Buffer Overflow

First published: Fri Feb 25 2022(Updated: )

There is a buffer overflow vulnerability in smartphones. Successful exploitation of this vulnerability may cause DoS of the apps during Multi-Screen Collaboration.

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 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-2021-22394?
CVE-2021-22394 has a high severity as it can lead to denial of service for apps during Multi-Screen Collaboration.
How do I fix CVE-2021-22394?
To fix CVE-2021-22394, update your Huawei device to the latest firmware version that addresses this vulnerability.
What devices are affected by CVE-2021-22394?
CVE-2021-22394 affects Huawei devices running EMUI versions 10.1.0, 10.1.1, and 11.0.0, as well as Magic UI and HarmonyOS versions specified.
What types of attacks can exploit CVE-2021-22394?
Exploitations of CVE-2021-22394 can cause denial of service for applications during active Multi-Screen Collaboration.
Can CVE-2021-22394 lead to data breaches?
While CVE-2021-22394 primarily causes denial of service, it does not directly lead to data breaches.

agent/references
agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/severity
agent/author
agent/weakness
agent/description
agent/event
agent/first-publish-date
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/huawei
canonical/huawei emui
version/huawei emui/10.1.0
version/huawei emui/10.1.1
version/huawei emui/11.0.0
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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Frequently Asked Questions

What is the severity of CVE-2021-22394?
CVE-2021-22394 has a high severity as it can lead to denial of service for apps during Multi-Screen Collaboration.
How do I fix CVE-2021-22394?
To fix CVE-2021-22394, update your Huawei device to the latest firmware version that addresses this vulnerability.
What devices are affected by CVE-2021-22394?
CVE-2021-22394 affects Huawei devices running EMUI versions 10.1.0, 10.1.1, and 11.0.0, as well as Magic UI and HarmonyOS versions specified.
What types of attacks can exploit CVE-2021-22394?
Exploitations of CVE-2021-22394 can cause denial of service for applications during active Multi-Screen Collaboration.
Can CVE-2021-22394 lead to data breaches?
While CVE-2021-22394 primarily causes denial of service, it does not directly lead to data breaches.