CVE-2021-37086
There is a Improper Preservation of Permissions vulnerability in Huawei Smartphone.Successful...
There is a Improper Preservation of Permissions vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to attackers which can isolate and read synchronization files of other applications across the UID sandbox.
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
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
There is a Improper Preservation of Permissions vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to attackers which can isolate and read synchronization files of other applications across the UID sandbox.
- Record
CVE-2021-37086- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-281
- Updated
- 2026-11-02
CVE List No score
There is a Improper Preservation of Permissions vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to attackers which can isolate and read synchronization files of other applications across the UID sandbox.
- Record
CVE-2021-37086- Updated
- 2026-11-02
EUVDEUVD-2021-23662 No score
There is a Improper Preservation of Permissions vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to attackers which can isolate and read synchronization files of other applications across the UID sandbox.
- Record
EUVD-2021-23662- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gxj5-6fw2-663j No score
There is a Improper Preservation of Permissions vulnerability in Huawei Smartphone.Successful...
There is a Improper Preservation of Permissions vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to attackers which can isolate and read synchronization files of other applications across the UID sandbox.
- Record
GHSA-gxj5-6fw2-663j- Weakness
- CWE-281
- 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-2021-37086 is a high vulnerability (CVSS 8.6) in Huawei Harmonyos, published December 7, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.66%, the 51st percentile. No source names a fixed version.