What’s Vulnerable › Vulnerabilities

CVE-2021-40020

• Severity: high (CVSS 7.5 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: 2022-01-10 · updated 2026-06-17
• Weakness: CWE-125

Description

There is an Out-of-bounds array read vulnerability in the security storage module in smartphones. Successful exploitation of this vulnerability may affect service confidentiality.

Affected products

• Huawei EMUI: 10.0.0, 10.1.0, 10.1.1, 11.0.0
• Huawei Magic UI: 3.0.0, 3.1.0, 3.1.1, 4.0.0

References

• https://consumer.huawei.com/en/support/bulletin/2022/1/
• https://consumer.huawei.com/en/support/bulletin/2022/1/

Get alerted when CVE-2021-40020 or the next vulnerability affects your stack