CVE-2021-22478
The interface of a certain HarmonyOS module has a UAF vulnerability. Successful exploitation of...
The interface of a certain HarmonyOS module has a UAF vulnerability. Successful exploitation of this vulnerability may lead to information leakage.
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
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
The interface of a certain HarmonyOS module has a UAF vulnerability. Successful exploitation of this vulnerability may lead to information leakage.
- Record
CVE-2021-22478- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-416
- Updated
- 2026-11-02
CVE List No score
The interface of a certain HarmonyOS module has a UAF vulnerability. Successful exploitation of this vulnerability may lead to information leakage.
- Record
CVE-2021-22478- Updated
- 2026-11-02
EUVDEUVD-2021-9624 No score
The interface of a certain HarmonyOS module has a UAF vulnerability. Successful exploitation of this vulnerability may lead to information leakage.
- Record
EUVD-2021-9624- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-755m-qxfv-m3wr No score
The interface of a certain HarmonyOS module has a UAF vulnerability. Successful exploitation of...
The interface of a certain HarmonyOS module has a UAF vulnerability. Successful exploitation of this vulnerability may lead to information leakage.
- Record
GHSA-755m-qxfv-m3wr- Weakness
- CWE-416
- 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-2021-22478 is a medium vulnerability (CVSS 5.5) 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 0.17%, the 5th percentile. No source names a fixed version.