Out-of-bounds write in EMUI;Magic UI
Priority LOW 25CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
There is a heap-based buffer overflow vulnerability in some Huawei Smartphone, Successful exploit of this vulnerability can cause process exceptions during updating.
Why it matters now
EPSS 0.00729 54th 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 |
|---|---|---|---|---|---|
| — | EMUI;Magic UI | EMUI 10.1.1, EMUI 10.1.0, EMUI 10.0.0, EMUI 9.1.1, EMUI 9.1.0; Magic UI 3.1.1, Magic UI 3.1.0, Magic UI 3.0.0, Magic UI 2.1.1 | — | No fix listed | CNA |
- EMUI;Magic UI Vendor— Affected EMUI 10.1.1, EMUI 10.1.0, EMUI 10.0.0, EMUI 9.1.1, EMUI 9.1.0; Magic UI 3.1.1, Magic UI 3.1.0, Magic UI 3.0.0, Magic UI 2.1.1 Fixed in — No fix listed CNA
CPE configurations NVD · 9
| 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: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: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-2020-9138
- 2026-10-03 Alias added: GHSA-7g87-66j4-g7g4
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-2020-9138 · CVE Program
- CVE-2020-9138 · NVD
- FIRST EPSS
- GHSA-7g87-66j4-g7g4 · GitHub Advisory Database · CC BY 4.0
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