CVE-2021-39994
There is an arbitrary address access vulnerability with the product line test code.Successful...
There is an arbitrary address access vulnerability with the product line test code.Successful exploitation of this vulnerability may affect service confidentiality, integrity, and 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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
9.8
There is an arbitrary address access vulnerability with the product line test code.Successful exploitation of this vulnerability may affect service confidentiality, integrity, and availability.
- Record
CVE-2021-39994- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
There is an arbitrary address access vulnerability with the product line test code.Successful exploitation of this vulnerability may affect service confidentiality, integrity, and availability.
- Record
CVE-2021-39994- Updated
- 2026-11-02
EUVDEUVD-2021-26350 No score
There is an arbitrary address access vulnerability with the product line test code.Successful exploitation of this vulnerability may affect service confidentiality, integrity, and availability.
- Record
EUVD-2021-26350- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-ccp4-hvpw-9jmf
9.8
There is an arbitrary address access vulnerability with the product line test code.Successful...
There is an arbitrary address access vulnerability with the product line test code.Successful exploitation of this vulnerability may affect service confidentiality, integrity, and availability.
- Record
GHSA-ccp4-hvpw-9jmf- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-863
- 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-2021-39994 is a critical vulnerability (CVSS 9.8) in Huawei Emui, published February 9, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.86%, the 58th percentile. No source names a fixed version.