CVE-2021-40037
There is a Vulnerability of accessing resources using an incompatible type (type confusion) in...
There is a Vulnerability of accessing resources using an incompatible type (type confusion) in the MPTCP subsystem in smartphones. Successful exploitation of this vulnerability may cause the system to crash and restart.
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
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
There is a Vulnerability of accessing resources using an incompatible type (type confusion) in the MPTCP subsystem in smartphones. Successful exploitation of this vulnerability may cause the system to crash and restart.
- Record
CVE-2021-40037- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.9 Medium
AV:L/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-843
- Updated
- 2026-11-02
CVE List No score
There is a Vulnerability of accessing resources using an incompatible type (type confusion) in the MPTCP subsystem in smartphones. Successful exploitation of this vulnerability may cause the system to crash and restart.
- Record
CVE-2021-40037- Updated
- 2026-11-02
EUVDEUVD-2021-27227 No score
There is a Vulnerability of accessing resources using an incompatible type (type confusion) in the MPTCP subsystem in smartphones. Successful exploitation of this vulnerability may cause the system to crash and restart.
- Record
EUVD-2021-27227- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gg65-289v-hp7m No score
There is a Vulnerability of accessing resources using an incompatible type (type confusion) in...
There is a Vulnerability of accessing resources using an incompatible type (type confusion) in the MPTCP subsystem in smartphones. Successful exploitation of this vulnerability may cause the system to crash and restart.
- Record
GHSA-gg65-289v-hp7m- Weakness
- CWE-843
- 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-2021-40037 is a medium vulnerability (CVSS 5.5) in Huawei Emui, published January 7, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.17%, the 6th percentile. No source names a fixed version.