CVE-2021-22491
There is an Input verification vulnerability in Huawei Smartphone.Successful exploitation of this...
There is an Input verification vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may affect service availability.
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
There is an Input verification vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may affect service availability.
- Record
CVE-2021-22491- 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-20
- Updated
- 2026-11-02
CVE List No score
There is an Input verification vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may affect service availability.
- Record
CVE-2021-22491- Updated
- 2026-11-02
EUVDEUVD-2021-9637 No score
There is an Input verification vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may affect service availability.
- Record
EUVD-2021-9637- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3rf4-hfh4-9ww3 No score
There is an Input verification vulnerability in Huawei Smartphone.Successful exploitation of this...
There is an Input verification vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may affect service availability.
- Record
GHSA-3rf4-hfh4-9ww3- Weakness
- CWE-20
- 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-2021-22491 is a high vulnerability (CVSS 7.5) in Huawei Emui, published October 28, 2021. 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.