Harmonyos
CVE-2021-22326
HIGH
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Lifecycle Timeline
1DescriptionNVD
A component of the HarmonyOS has a Privilege Dropping / Lowering Errors vulnerability. Local attackers may exploit this vulnerability to obtain Kernel space read/write capability.
AnalysisAI
A component of the HarmonyOS has a Privilege Dropping / Lowering Errors vulnerability. Rated high severity (CVSS 7.1), this vulnerability is low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Improper Privilege Management (CWE-269), which allows attackers to escalate privileges to gain unauthorized elevated access. A component of the HarmonyOS has a Privilege Dropping / Lowering Errors vulnerability. Local attackers may exploit this vulnerability to obtain Kernel space read/write capability. Affected products include: Huawei Harmonyos.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply principle of least privilege, validate privilege transitions, implement proper role separation.
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Same weakness CWE-269 – Improper Privilege Management
View allSame technique Privilege Escalation
View allShare
External POC / Exploit Code
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