CVE-2021-40048
There is an incorrect buffer size calculation vulnerability in the video framework. Successful...
There is an incorrect buffer size calculation vulnerability in the video framework. Successful exploitation of this vulnerability will affect 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
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
There is an incorrect buffer size calculation vulnerability in the video framework. Successful exploitation of this vulnerability will affect availability.
- Record
CVE-2021-40048- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-131
- Updated
- 2026-11-02
CVE List No score
There is an incorrect buffer size calculation vulnerability in the video framework. Successful exploitation of this vulnerability will affect availability.
- Record
CVE-2021-40048- Updated
- 2026-11-02
EUVDEUVD-2021-27238 No score
There is an incorrect buffer size calculation vulnerability in the video framework. Successful exploitation of this vulnerability will affect availability.
- Record
EUVD-2021-27238- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w7f6-xx44-hwc3
There is an incorrect buffer size calculation vulnerability in the video framework. Successful...
There is an incorrect buffer size calculation vulnerability in the video framework. Successful exploitation of this vulnerability will affect availability.
- Record
GHSA-w7f6-xx44-hwc3- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-131
- 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-2021-40048 is a high vulnerability (CVSS 7.5) in Huawei Emui, published March 7, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.77%, the 55th percentile. No source names a fixed version.