CVE-2021-46856
The multi-screen collaboration module has a path traversal vulnerability. Successful exploitation...
The multi-screen collaboration module has a path traversal vulnerability. Successful exploitation of this vulnerability may affect data confidentiality.
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
The multi-screen collaboration module has a path traversal vulnerability. Successful exploitation of this vulnerability may affect data confidentiality.
- Record
CVE-2021-46856- 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-22
- Updated
- 2026-11-02
CVE List
The multi-screen collaboration module has a path traversal vulnerability. Successful exploitation of this vulnerability may affect data confidentiality.
- Record
CVE-2021-46856- 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-22
- Updated
- 2026-11-02
EUVDEUVD-2021-33510
The multi-screen collaboration module has a path traversal vulnerability. Successful exploitation of this vulnerability may affect data confidentiality.
- Record
EUVD-2021-33510- 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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-878w-44xc-hm5q
The multi-screen collaboration module has a path traversal vulnerability. Successful exploitation...
The multi-screen collaboration module has a path traversal vulnerability. Successful exploitation of this vulnerability may affect data confidentiality.
- Record
GHSA-878w-44xc-hm5q- 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-22
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-46856 is a high vulnerability (CVSS 7.5) in Huawei Emui, published December 20, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.62%, the 49th percentile. No source names a fixed version.
References
device.harmonyos.com/en/docs/security/update/security-bulletins-202212-0000001462975397
consumer.huawei.com/en/support/bulletin/2023/1
nvd.nist.gov/vuln/detail/CVE-2021-46856
github.com/advisories/GHSA-878w-44xc-hm5q