Improper input validation in Huawei HarmonyOS
Priority LOW 30CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-668 and the CVSS impact.
Summary
Vulnerability of kernel raw address leakage in the hang detector module. Successful exploitation of this vulnerability may affect service confidentiality.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0032 25th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Huawei | HarmonyOS | 3.0.0; 3.1.0; 2.1.0; 2.0.0; 2.0.1 | — | No fix listed | CNA |
| Huawei | EMUI | 13.0.0; 12.0.1; 12.0.0 | — | No fix listed | CNA |
- HarmonyOS VendorHuawei Affected 3.0.0; 3.1.0; 2.1.0; 2.0.0; 2.0.1 Fixed in — No fix listed CNA
- EMUI VendorHuawei Affected 13.0.0; 12.0.1; 12.0.0 Fixed in — No fix listed CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:huawei:emui:12.0.0:*:*:*:*:*:*:* | 12.0.0 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:emui:13.0.0:*:*:*:*:*:*:* | 13.0.0 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:harmonyos:2.0:*:*:*:*:*:*:* | 2.0 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:harmonyos:2.0.1:*:*:*:*:*:*:* | 2.0.1 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:harmonyos:2.1:*:*:*:*:*:*:* | 2.1 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:harmonyos:3.0.0:*:*:*:*:*:*:* | 3.0.0 | Vulnerable | Huawei |
| cpe:2.3:o:huawei:harmonyos:3.1.0:*:*:*:*:*:*:* | 3.1.0 | Vulnerable | Huawei |
- cpe:2.3:o:huawei:emui:12.0.0:*:*:*:*:*:*:* Versions 12.0.0 Vulnerable ·Huawei
- cpe:2.3:o:huawei:emui:13.0.0:*:*:*:*:*:*:* Versions 13.0.0 Vulnerable ·Huawei
- cpe:2.3:o:huawei:harmonyos:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Huawei
- cpe:2.3:o:huawei:harmonyos:2.0.1:*:*:*:*:*:*:* Versions 2.0.1 Vulnerable ·Huawei
- cpe:2.3:o:huawei:harmonyos:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·Huawei
- cpe:2.3:o:huawei:harmonyos:3.0.0:*:*:*:*:*:*:* Versions 3.0.0 Vulnerable ·Huawei
- cpe:2.3:o:huawei:harmonyos:3.1.0:*:*:*:*:*:*:* Versions 3.1.0 Vulnerable ·Huawei
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-3456
- 2026-10-03 Alias added: GHSA-6mpr-vvfh-r7h5
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-2023-3456 · CVE Program
- CVE-2023-3456 · NVD
- FIRST EPSS
- GHSA-6mpr-vvfh-r7h5 · GitHub Advisory Database · CC BY 4.0
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