Incorrect default permissions in Huawei EMUI
Priority LOW 34CWE-276Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
There is a permission control vulnerability in the PMS module. Successful exploitation of this vulnerability can lead to sensitive system information being obtained without authorization.
Why it matters now
EPSS 0.00771 55th 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 | 12.0.0; 11.0.0; 10.1.1; 10.1.0 | — | No fix listed | CNA |
| Huawei | Magic UI | 4.0.0; 3.1.1; 3.1.0 | — | No fix listed | CNA |
| Huawei | HarmonyOS | 2.0 | — | No fix listed | CNA |
- EMUI VendorHuawei Affected 12.0.0; 11.0.0; 10.1.1; 10.1.0 Fixed in — No fix listed CNA
- Magic UI VendorHuawei Affected 4.0.0; 3.1.1; 3.1.0 Fixed in — No fix listed CNA
- HarmonyOS VendorHuawei Affected 2.0 Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| 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:emui:11.0.1:*:*:*:*:*:*:* | 11.0.1 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:emui:12.0.0:*:*:*:*:*:*:* | 12.0.0 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:harmonyos:2.0:*:*:*:*:*:*:* | 2.0 | 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:magic_ui:4.0.0:*:*:*:*:*:*:* | 4.0.0 | 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:emui:11.0.1:*:*:*:*:*:*:* Versions 11.0.1 Vulnerable ·Huawei
- cpe:2.3:o:huawei:emui:12.0.0:*:*:*:*:*:*:* Versions 12.0.0 Vulnerable ·Huawei
- cpe:2.3:o:huawei:harmonyos:2.0:*:*:*:*:*:*:* Versions 2.0 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
- cpe:2.3:o:huawei:magic_ui:4.0.0:*:*:*:*:*:*:* Versions 4.0.0 Vulnerable ·Huawei
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-40049
- 2026-10-03 Alias added: GHSA-h72g-579j-rqrx
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-2021-40049 · CVE Program
- CVE-2021-40049 · NVD
- FIRST EPSS
- GHSA-h72g-579j-rqrx · GitHub Advisory Database · CC BY 4.0
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