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TI-2021-21562 Aliases CVE-2021-46894GHSA-w232-x2q6-cvwm

Improper privilege management in Huawei HarmonyOS

Priority MEDIUM 49CWE-269Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Privilege escalation, 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-269, CWE-416 and the CVSS impact.

Summary

Use After Free (UAF) vulnerability in the uinput module.Successful exploitation of this vulnerability may lead to kernel privilege escalation.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0045 39th 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
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
HuaweiHarmonyOS2.0.0—No fix listedCNA
HuaweiEMUI12.0.0—No fix listedCNA
  • HarmonyOS VendorHuawei Affected 2.0.0 Fixed in — No fix listed CNA
  • EMUI VendorHuawei Affected 12.0.0 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:huawei:emui:12.0.0:*:*:*:*:*:*:*12.0.0VulnerableHuawei
cpe:2.3:o:huawei:harmonyos:2.0.0:*:*:*:*:*:*:*2.0.0VulnerableHuawei
  • cpe:2.3:o:huawei:emui:12.0.0:*:*:*:*:*:*:* Versions 12.0.0 Vulnerable ·Huawei
  • cpe:2.3:o:huawei:harmonyos:2.0.0:*:*:*:*:*:*:* Versions 2.0.0 Vulnerable ·Huawei

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-46894
  2. 2026-10-03 Alias added: GHSA-w232-x2q6-cvwm

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