Harmonyos
CVE-2021-22459
MEDIUM
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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:N/I:N/A:H
Lifecycle Timeline
1DescriptionNVD
A component of the HarmonyOS has a NULL Pointer Dereference vulnerability. Local attackers may exploit this vulnerability to cause System functions which are unavailable.
AnalysisAI
A component of the HarmonyOS has a NULL Pointer Dereference vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as NULL Pointer Dereference (CWE-476), which allows attackers to crash the application by dereferencing a null pointer. A component of the HarmonyOS has a NULL Pointer Dereference vulnerability. Local attackers may exploit this vulnerability to cause System functions which are unavailable. Affected products include: Huawei Harmonyos.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Check pointers before dereferencing. Use static analysis tools to detect null pointer paths.
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Same weakness CWE-476 – NULL Pointer Dereference
View allSame technique Null Pointer Dereference
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External POC / Exploit Code
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