What’s Vulnerable › Vulnerabilities

CVE-2021-40027

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% 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-476

Description

The bone voice ID TA has a vulnerability in calculating the buffer length,Successful exploitation of this vulnerability may affect data confidentiality.

Affected products

• Huawei HarmonyOS: before 2.0 — fixed in 2.0

How to fix

Upgrade to a fixed version: Huawei HarmonyOS 2.0. Check the vendor advisory for mitigations.

References

• https://consumer.huawei.com/en/support/bulletin/2023/7/
• https://device.harmonyos.com/en/docs/security/update/security-bulletins-202201-0000001238736331
• https://device.harmonyos.com/en/docs/security/update/security-bulletins-202307-0000001587168858
• https://consumer.huawei.com/en/support/bulletin/2023/7/
• https://device.harmonyos.com/en/docs/security/update/security-bulletins-202201-0000001238736331
• https://device.harmonyos.com/en/docs/security/update/security-bulletins-202307-0000001587168858

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