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TI-2021-17229 Aliases CVE-2021-40017GHSA-vcvc-5hq6-cvwr

Improper input validation in HarmonyOS;EMUI

Priority MEDIUM 43CWE-20Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

The HW_KEYMASTER module lacks the validity check of the key format. Successful exploitation of this vulnerability may result in out-of-bounds memory access.

Why it matters now

EPSS 0.00653 51st 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
—HarmonyOS;EMUIHarmonyOS 2.0; EMUI 12.0.0,EMUI 11.0.1—No fix listedCNA
  • HarmonyOS;EMUI Vendor— Affected HarmonyOS 2.0; EMUI 12.0.0,EMUI 11.0.1 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
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:harmonyos:2.0:*:*:*:*:*:*:*2.0VulnerableHuawei
  • 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:harmonyos:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Huawei

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-40017
  2. 2026-10-03 Alias added: GHSA-vcvc-5hq6-cvwr
  3. 2026-10-14 EPSS moved to the 50th–90th percentile

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