There is an Incorrect Calculation of Buffer Size in Huawei Smartphone.Successful…
Priority LOW 34CWE-131Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-131 and the CVSS impact.
Summary
There is an Incorrect Calculation of Buffer Size in Huawei Smartphone.Successful exploitation of this vulnerability may cause the system to reset.
Why it matters now
EPSS 0.00677 52nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Huawei | EMUI | 11.0.0; 10.1.1; 10.1.0; 10.0.0; 9.1.1; 9.1.0 | — | No fix listed | CNA |
| Huawei | Magic UI | 4.0.0; 3.1.1; 3.1.0; 3.0.0; 2.1.1 | — | No fix listed | CNA |
- EMUI VendorHuawei Affected 11.0.0; 10.1.1; 10.1.0; 10.0.0; 9.1.1; 9.1.0 Fixed in — No fix listed CNA
- Magic UI VendorHuawei Affected 4.0.0; 3.1.1; 3.1.0; 3.0.0; 2.1.1 Fixed in — No fix listed CNA
CPE configurations NVD · 11
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:huawei:emui:9.1.0:*:*:*:*:*:*:* | 9.1.0 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:emui:9.1.1:*:*:*:*:*:*:* | 9.1.1 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:emui:10.0.0:*:*:*:*:*:*:* | 10.0.0 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:emui:10.1.0:*:*:*:*:*:*:* | 10.1.0 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:emui:10.1.1:*:*:*:*:*:*:* | 10.1.1 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:emui:11.0.0:*:*:*:*:*:*:* | 11.0.0 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:magic_ui:2.1.1:*:*:*:*:*:*:* | 2.1.1 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:magic_ui:3.0.0:*:*:*:*:*:*:* | 3.0.0 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:magic_ui:3.1.0:*:*:*:*:*:*:* | 3.1.0 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:magic_ui:3.1.1:*:*:*:*:*:*:* | 3.1.1 | Vulnerable | Huawei |
- cpe:2.3:o:huawei:emui:9.1.0:*:*:*:*:*:*:* Versions 9.1.0 Vulnerable ·Huawei
- cpe:2.3:o:huawei:emui:9.1.1:*:*:*:*:*:*:* Versions 9.1.1 Vulnerable ·Huawei
- cpe:2.3:o:huawei:emui:10.0.0:*:*:*:*:*:*:* Versions 10.0.0 Vulnerable ·Huawei
- cpe:2.3:o:huawei:emui:10.1.0:*:*:*:*:*:*:* Versions 10.1.0 Vulnerable ·Huawei
- cpe:2.3:o:huawei:emui:10.1.1:*:*:*:*:*:*:* Versions 10.1.1 Vulnerable ·Huawei
- cpe:2.3:o:huawei:emui:11.0.0:*:*:*:*:*:*:* Versions 11.0.0 Vulnerable ·Huawei
- cpe:2.3:o:huawei:magic_ui:2.1.1:*:*:*:*:*:*:* Versions 2.1.1 Vulnerable ·Huawei
- cpe:2.3:o:huawei:magic_ui:3.0.0:*:*:*:*:*:*:* Versions 3.0.0 Vulnerable ·Huawei
- cpe:2.3:o:huawei:magic_ui:3.1.0:*:*:*:*:*:*:* Versions 3.1.0 Vulnerable ·Huawei
- cpe:2.3:o:huawei:magic_ui:3.1.1:*:*:*:*:*:*:* Versions 3.1.1 Vulnerable ·Huawei
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-22391
- 2026-10-03 Alias added: GHSA-jrhx-6rvp-6v57
References
More Huawei Emui vulnerabilities
- TI-2021-17252 Vulnerability of writing data to an arbitrary address in the HW_KEYMASTER module. CVSS 3.1HIGH 7.5
- TI-2022-21903 Deserialization of untrusted data in Huawei HarmonyOS CVSS 3.1CRITICAL 9.8
- TI-2022-21900 Deserialization of untrusted data in Huawei HarmonyOS CVSS 3.1CRITICAL 9.8
- TI-2022-21899 Deserialization of untrusted data in Huawei HarmonyOS CVSS 3.1CRITICAL 9.8
- TI-2022-19984 Out-of-bounds read in Huawei HarmonyOS CVSS 3.1CRITICAL 9.8
- TI-2022-19982 Out-of-bounds write in Huawei HarmonyOS CVSS 3.1CRITICAL 9.8
Sources
- CVE-2021-22391 · CVE Program
- CVE-2021-22391 · NVD
- FIRST EPSS
- GHSA-jrhx-6rvp-6v57 · GitHub Advisory Database · CC BY 4.0
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