CVE-2021-36991
There is an Unauthorized file access vulnerability in Huawei Smartphone due to unstandardized...
There is an Unauthorized file access vulnerability in Huawei Smartphone due to unstandardized path input.Successful exploitation of this vulnerability by creating malicious file paths can cause unauthorized file access.
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
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
There is an Unauthorized file access vulnerability in Huawei Smartphone due to unstandardized path input.Successful exploitation of this vulnerability by creating malicious file paths can cause unauthorized file access.
- Record
CVE-2021-36991- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
There is an Unauthorized file access vulnerability in Huawei Smartphone due to unstandardized path input.Successful exploitation of this vulnerability by creating malicious file paths can cause unauthorized file access.
- Record
CVE-2021-36991- Updated
- 2026-11-02
EUVDEUVD-2021-23567 No score
There is an Unauthorized file access vulnerability in Huawei Smartphone due to unstandardized path input.Successful exploitation of this vulnerability by creating malicious file paths can cause unauthorized file access.
- Record
EUVD-2021-23567- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-97w8-6jxc-j73w
There is an Unauthorized file access vulnerability in Huawei Smartphone due to unstandardized...
There is an Unauthorized file access vulnerability in Huawei Smartphone due to unstandardized path input.Successful exploitation of this vulnerability by creating malicious file paths can cause unauthorized file access.
- Record
GHSA-97w8-6jxc-j73w- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - 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-2021-36991 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 0.69%, the 53rd percentile. No source names a fixed version.