What’s Vulnerable › Vulnerabilities

CVE-2021-40055

• Severity: medium (CVSS 5.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-03-10 · updated 2026-06-17

Description

There is a man-in-the-middle attack vulnerability during system update download in recovery mode. Successful exploitation of this vulnerability may affect integrity.

Affected products

• Huawei EMUI: 10.0.0, 10.1.0, 10.1.1, 11.0.0, 11.0.1, 12.0.0
• Huawei HarmonyOS: 2.0
• Huawei Magic UI: 3.0.0, 3.1.0, 3.1.1, 4.0.0

References

• https://consumer.huawei.com/en/support/bulletin/2022/3/
• https://device.harmonyos.com/cn/docs/security/update/security-bulletins-phones-202203-0000001257385193
• https://consumer.huawei.com/en/support/bulletin/2022/3/
• https://device.harmonyos.com/cn/docs/security/update/security-bulletins-phones-202203-0000001257385193

Get alerted when CVE-2021-40055 or the next vulnerability affects your stack