CVE-2021-39984
Huawei idap module has a Out-of-bounds Read vulnerability.Successful exploitation of this...
Huawei idap module has a Out-of-bounds Read vulnerability.Successful exploitation of this vulnerability may cause Denial of Service.
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
7.5
Huawei idap module has a Out-of-bounds Read vulnerability.Successful exploitation of this vulnerability may cause Denial of Service.
- Record
CVE-2021-39984- 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 - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE List
7.5
Huawei idap module has a Out-of-bounds Read vulnerability.Successful exploitation of this vulnerability may cause Denial of Service.
- Record
CVE-2021-39984- 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-125
- Updated
- 2026-11-02
EUVDEUVD-2021-26340
7.5
Huawei idap module has a Out-of-bounds Read vulnerability.Successful exploitation of this vulnerability may cause Denial of Service.
- Record
EUVD-2021-26340- 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
- 2026-11-02
GitHub AdvisoriesGHSA-8vhf-539p-8g5m
7.5
Huawei idap module has a Out-of-bounds Read vulnerability.Successful exploitation of this...
Huawei idap module has a Out-of-bounds Read vulnerability.Successful exploitation of this vulnerability may cause Denial of Service.
- Record
GHSA-8vhf-539p-8g5m- 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-125
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-39984 is a high vulnerability (CVSS 7.5) in Huawei Harmonyos, published January 3, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.68%, the 52nd percentile. No source names a fixed version.