01 Record
CVE-2021-40056
There is a vulnerability of copying input buffer without checking its size in the video framework. Successful exploitation of this vulnerability may affect availability.
UnratedPUBLISHEDCNA: huawei
CNA base scoreUnratedNo CNA CVSS vector
02 Description
There is a vulnerability of copying input buffer without checking its size in the video framework. Successful exploitation of this vulnerability may affect availability.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.73% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 54.0% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2022-03-07 13:50Z4 YR AGO
- Last updated
- 2024-08-04 02:27Z2 YR AGO
- Reserved
- 2021-08-23
- Assigning CNA
- huawei
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
- Data version
- 5.1
- Document digest
- 55966df37cc2c37cee689072914d34fbbc5a31b145035abf5c229efd8a2a1981
05 Affected products
06 References
- consumer.huawei.comhttps://consumer.huawei.com/en/support/bulletin/2022/3/