What’s Vulnerable › Vulnerabilities

CVE-2021-22394

• Severity: critical (CVSS 9.1 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: 2022-02-25 · updated 2026-06-17
• Weakness: CWE-120

Description

There is a buffer overflow vulnerability in smartphones. Successful exploitation of this vulnerability may cause DoS of the apps during Multi-Screen Collaboration.

Affected products

• Huawei EMUI: 10.1.0, 10.1.1, 11.0.0
• Huawei HarmonyOS: 2.0
• Huawei Magic UI: 3.1.0, 3.1.1, 4.0.0

References

• https://consumer.huawei.com/en/support/bulletin/2021/7/
• https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202108-0000001181125881
• https://consumer.huawei.com/en/support/bulletin/2021/7/
• https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202108-0000001181125881

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