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TI-2021-17241 Aliases CVE-2021-40029GHSA-87c4-2mpr-rxpc

Buffer overflow in Huawei EMUI

Priority LOW 34CWE-120Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

There is a Buffer overflow vulnerability due to a boundary error with the Samba server in the file management module in smartphones. Successful exploitation of this vulnerability may affect function stability.

Why it matters now

EPSS 0.00817 57th 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

VendorProductAffected versionsFixed inStatusSource
HuaweiEMUI12.0.0; 11.0.1; 11.0.0; 10.1.1; 10.1.0; 10.0.0—No fix listedCNA
HuaweiMagic UI4.0.0; 3.1.1; 3.1.0; 3.0.0—No fix listedCNA
HuaweiHarmonyOS2.0—No fix listedCNA
  • EMUI VendorHuawei Affected 12.0.0; 11.0.1; 11.0.0; 10.1.1; 10.1.0; 10.0.0 Fixed in — No fix listed CNA
  • Magic UI VendorHuawei Affected 4.0.0; 3.1.1; 3.1.0; 3.0.0 Fixed in — No fix listed CNA
  • HarmonyOS VendorHuawei Affected 2.0 Fixed in — No fix listed CNA

CPE configurations NVD · 11

CPEVersionsRoleVendor
cpe:2.3:o:huawei:harmonyos:*:*:*:*:*:*:*:*before 2.0VulnerableHuawei
cpe:2.3:o:huawei:emui:10.0.0:*:*:*:*:*:*:*10.0.0VulnerableHuawei
cpe:2.3:o:huawei:emui:10.1.0:*:*:*:*:*:*:*10.1.0VulnerableHuawei
cpe:2.3:o:huawei:emui:10.1.1:*:*:*:*:*:*:*10.1.1VulnerableHuawei
cpe:2.3:o:huawei:emui:11.0.0:*:*:*:*:*:*:*11.0.0VulnerableHuawei
cpe:2.3:o:huawei:emui:11.0.1:*:*:*:*:*:*:*11.0.1VulnerableHuawei
cpe:2.3:o:huawei:emui:12.0.0:*:*:*:*:*:*:*12.0.0VulnerableHuawei
cpe:2.3:o:huawei:magic_ui:3.0.0:*:*:*:*:*:*:*3.0.0VulnerableHuawei
cpe:2.3:o:huawei:magic_ui:3.1.0:*:*:*:*:*:*:*3.1.0VulnerableHuawei
cpe:2.3:o:huawei:magic_ui:3.1.1:*:*:*:*:*:*:*3.1.1VulnerableHuawei
  • cpe:2.3:o:huawei:harmonyos:*:*:*:*:*:*:*:* Versions before 2.0 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: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
Show 1 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:huawei:magic_ui:4.0.0:*:*:*:*:*:*:*4.0.0VulnerableHuawei
  • 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

  1. 2026-10-02 Threatist record created from CVE-2021-40029
  2. 2026-10-03 Alias added: GHSA-87c4-2mpr-rxpc

References

Advisory 2

  • 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
See all 810 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences