CVE-2021-22484
Some Huawei wearables have a vulnerability of not verifying the actual data size when reading...
Some Huawei wearables have a vulnerability of not verifying the actual data size when reading data.
Successful exploitation of this vulnerability may cause a server out of memory (OOM).
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Some Huawei wearables have a vulnerability of not verifying the actual data size when reading data.
Successful exploitation of this vulnerability may cause a server out of memory (OOM).
- Record
CVE-2021-22484- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20, CWE-125
- Updated
- 2026-11-02
CVE List
Some Huawei wearables have a vulnerability of not verifying the actual data size when reading data.
Successful exploitation of this vulnerability may cause a server out of memory (OOM).
- Record
CVE-2021-22484- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20, CWE-125
- Updated
- 2026-11-02
EUVDEUVD-2021-9630
Some Huawei wearables have a vulnerability of not verifying the actual data size when reading data.
Successful exploitation of this vulnerability may cause a server out of memory (OOM).
- Record
EUVD-2021-9630- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5g7g-x455-7hxw
Some Huawei wearables have a vulnerability of not verifying the actual data size when reading...
Some Huawei wearables have a vulnerability of not verifying the actual data size when reading data.
Successful exploitation of this vulnerability may cause a server out of memory (OOM).
- Record
GHSA-5g7g-x455-7hxw- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20, CWE-125
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-22484 is a high vulnerability (CVSS 7.5) in Huawei Harmonyos, published December 28, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 22nd percentile. No source names a fixed version.