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TI-2021-17212 Aliases CVE-2021-40000GHSA-ccr6-c6x3-wvwv

Out-of-bounds write in Huawei HarmonyOS

Priority LOW 38CWE-787Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

The Bluetooth module has an out-of-bounds write vulnerability. Successful exploitation of this vulnerability may result in malicious command execution at the remote end.

Why it matters now

EPSS 0.00397 34th 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
HuaweiHarmonyOS2.0—No fix listedCNA
  • HarmonyOS VendorHuawei Affected 2.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:huawei:harmonyos:*:*:*:*:*:*:*:*before 2.0VulnerableHuawei
  • cpe:2.3:o:huawei:harmonyos:*:*:*:*:*:*:*:* Versions before 2.0 Vulnerable ·Huawei

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-40000
  2. 2026-10-03 Alias added: GHSA-ccr6-c6x3-wvwv

References

Advisory 1

  • 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 1049 →

Sources

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