There is a vulnerability of signature verification mechanism failure in system upgrade through recovery mode.Successful exploitation of this vulnerability may affect service confidentiality.

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-40045
• https://consumer.huawei.com/en/support/bulletin/2022/2/
• https://device.harmonyos.com/en/docs/security/update/security-bulletins-202202-0000001204253396