CVE-2021-22465
A component of the HarmonyOS has a Heap-based Buffer Overflow vulnerability. Local attackers may...
A component of the HarmonyOS has a Heap-based Buffer Overflow vulnerability. Local attackers may exploit this vulnerability to cause Kernel System unavailable.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A component of the HarmonyOS has a Heap-based Buffer Overflow vulnerability. Local attackers may exploit this vulnerability to cause Kernel System unavailable.
- Record
CVE-2021-22465- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
A component of the HarmonyOS has a Heap-based Buffer Overflow vulnerability. Local attackers may exploit this vulnerability to cause Kernel System unavailable.
- Record
CVE-2021-22465- Updated
- 2026-11-02
EUVDEUVD-2021-9611 No score
A component of the HarmonyOS has a Heap-based Buffer Overflow vulnerability. Local attackers may exploit this vulnerability to cause Kernel System unavailable.
- Record
EUVD-2021-9611- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-59x4-pccf-58xp
A component of the HarmonyOS has a Heap-based Buffer Overflow vulnerability. Local attackers may...
A component of the HarmonyOS has a Heap-based Buffer Overflow vulnerability. Local attackers may exploit this vulnerability to cause Kernel System unavailable.
- Record
GHSA-59x4-pccf-58xp- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-120, CWE-787
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-22465 is a medium vulnerability (CVSS 5.5) in Huawei Harmonyos, published October 28, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.15%, the 4th percentile. No source names a fixed version.