CVE-2021-22437
There is a software integer overflow leading to a TOCTOU condition in smartphones. Successful...
There is a software integer overflow leading to a TOCTOU condition in smartphones. Successful exploitation of this vulnerability may cause random address access.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
There is a software integer overflow leading to a TOCTOU condition in smartphones. Successful exploitation of this vulnerability may cause random address access.
- Record
CVE-2021-22437- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.9 Medium
AV:L/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-190
- Updated
- 2026-11-02
CVE List No score
There is a software integer overflow leading to a TOCTOU condition in smartphones. Successful exploitation of this vulnerability may cause random address access.
- Record
CVE-2021-22437- Updated
- 2026-11-02
EUVDEUVD-2021-9583 No score
There is a software integer overflow leading to a TOCTOU condition in smartphones. Successful exploitation of this vulnerability may cause random address access.
- Record
EUVD-2021-9583- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rmqv-xpvq-7fm9
There is a software integer overflow leading to a TOCTOU condition in smartphones. Successful...
There is a software integer overflow leading to a TOCTOU condition in smartphones. Successful exploitation of this vulnerability may cause random address access.
- Record
GHSA-rmqv-xpvq-7fm9- CVSS 3.1
- 7.0 High
CVSS:3.1/AV:L/AC:H/PR:L/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-2021-22437 is a high vulnerability (CVSS 7.0) in Huawei Emui, published February 25, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.16%, the 4th percentile. No source names a fixed version.