Vulnerability of pointers being incorrectly used during data transmission in the video…
Priority LOW 34Published · 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
Vulnerability of pointers being incorrectly used during data transmission in the video framework. Successful exploitation of this vulnerability may affect confidentiality.
Why it matters now
EPSS 0.0086 58th 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 | HarmonyOS | 2.0 | — | No fix listed | CNA |
| Huawei | EMUI | 12.0.0; 11.0.0 | — | No fix listed | CNA |
| Huawei | Magic UI | 4.0.0 | — | No fix listed | CNA |
- HarmonyOS VendorHuawei Affected 2.0 Fixed in — No fix listed CNA
- EMUI VendorHuawei Affected 12.0.0; 11.0.0 Fixed in — No fix listed CNA
- Magic UI VendorHuawei Affected 4.0.0 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:huawei:emui:11.0.0:*:*:*:*:*:*:* | 11.0.0 | 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:4.0.0:*:*:*:*:*:*:* | 4.0.0 | Vulnerable | Huawei |
- cpe:2.3:o:huawei:emui:11.0.0:*:*:*:*:*:*:* Versions 11.0.0 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: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-2021-40012
- 2026-10-03 Alias added: GHSA-qx39-7cf8-2gf6
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-2021-40012 · CVE Program
- CVE-2021-40012 · NVD
- FIRST EPSS
- GHSA-qx39-7cf8-2gf6 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences