CVE-2021-40006
The fingerprint module has a security risk of brute force cracking. Successful exploitation of...
Vulnerability of design defects in the security algorithm component. Successful exploitation of this vulnerability may affect confidentiality.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- 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
4.6
Vulnerability of design defects in the security algorithm component. Successful exploitation of this vulnerability may affect confidentiality.
- Record
CVE-2021-40006- CVSS 3.1
- 4.6 Medium
CVSS:3.1/AV:P/AC:L/PR:N/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-254, CWE-327
- Updated
- 2026-11-02
CVE List No score
Vulnerability of design defects in the security algorithm component. Successful exploitation of this vulnerability may affect confidentiality.
- Record
CVE-2021-40006- Weakness
- CWE-254
- Updated
- 2026-11-02
EUVDEUVD-2021-27196 No score
Vulnerability of design defects in the security algorithm component. Successful exploitation of this vulnerability may affect confidentiality.
- Record
EUVD-2021-27196- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-p5j8-hcx4-456v
4.6
The fingerprint module has a security risk of brute force cracking. Successful exploitation of...
The fingerprint module has a security risk of brute force cracking. Successful exploitation of this vulnerability may affect data confidentiality.
- Record
GHSA-p5j8-hcx4-456v- CVSS 3.1
- 4.6 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-326, CWE-327
- 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-2021-40006 is a medium vulnerability (CVSS 4.6) 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 0.15%, the 4th percentile. No source names a fixed version.
References
device.harmonyos.com/en/docs/security/update/security-bulletins-202112-0000001183296718
device.harmonyos.com/en/docs/security/update/security-bulletins-202308-0000001667644725
consumer.huawei.com/en/support/bulletin/2023/8
nvd.nist.gov/vuln/detail/CVE-2021-40006
github.com/advisories/GHSA-p5j8-hcx4-456v