CVE-2020-9142

Severity: critical (CVSS 9.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-01-13 · updated 2026-06-17
Weakness: CWE-787

Description

There is a heap base buffer overflow vulnerability in some Huawei smartphone.Successful exploitation of this vulnerability can cause heap overflow and memory overwriting when the system incorrectly processes the update file.

Affected products

Huawei EMUI: 9.1.0, 9.1.1, 10.0.0, 10.1.0, 10.1.1, 11.0.0
Huawei Magic UI: 2.1.1, 3.0.0, 3.1.0, 3.1.1, 4.0.0

References

https://consumer.huawei.com/en/support/bulletin/2020/12/
https://consumer.huawei.com/en/support/bulletin/2020/12/

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