CVE-2021-22480
The interface of a certain HarmonyOS module has an integer overflow vulnerability. Successful...
The interface of a certain HarmonyOS module has an integer overflow vulnerability. Successful exploitation of this vulnerability may lead to heap memory overflow.
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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
The interface of a certain HarmonyOS module has an integer overflow vulnerability. Successful exploitation of this vulnerability may lead to heap memory overflow.
- Record
CVE-2021-22480- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-190
- Updated
- 2026-11-02
CVE List No score
The interface of a certain HarmonyOS module has an integer overflow vulnerability. Successful exploitation of this vulnerability may lead to heap memory overflow.
- Record
CVE-2021-22480- Updated
- 2026-11-02
EUVDEUVD-2021-9626 No score
The interface of a certain HarmonyOS module has an integer overflow vulnerability. Successful exploitation of this vulnerability may lead to heap memory overflow.
- Record
EUVD-2021-9626- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6qwq-gh52-w4xj
The interface of a certain HarmonyOS module has an integer overflow vulnerability. Successful...
The interface of a certain HarmonyOS module has an integer overflow vulnerability. Successful exploitation of this vulnerability may lead to heap memory overflow.
- Record
GHSA-6qwq-gh52-w4xj- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-190
- 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-2021-22480 is a critical vulnerability (CVSS 9.8) in Huawei Harmonyos, published February 25, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.74%, the 54th percentile. No source names a fixed version.