There is Vulnerability of APIs being concurrently called for multiple times in…
Priority LOW 34Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
There is Vulnerability of APIs being concurrently called for multiple times in HwConnectivityExService a in smartphones. Successful exploitation of this vulnerability may cause the system to crash and restart.
Why it matters now
EPSS 0.0072 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;HarmonyOS | EMUI 11.0.0,EMUI 11.0.1; Magic UI 4.0.0; HarmonyOS 2.0 | — | No fix listed | CNA |
- EMUI;Magic UI;HarmonyOS Vendor— Affected EMUI 11.0.0,EMUI 11.0.1; Magic UI 4.0.0; HarmonyOS 2.0 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:huawei:harmonyos:*:*:*:*:*:*:*:* | before 2.0 | 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:magic_ui:4.0.0:*:*:*:*:*:*:* | 4.0.0 | Vulnerable | Huawei |
- cpe:2.3:o:huawei:harmonyos:*:*:*:*:*:*:*:* Versions before 2.0 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: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-2021-39998
- 2026-10-03 Alias added: GHSA-mj43-wh93-mw96
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-2021-39998 · CVE Program
- CVE-2021-39998 · NVD
- FIRST EPSS
- GHSA-mj43-wh93-mw96 · 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