01 Record
CVE-2021-31578
In Boa, there is a possible escalation of privilege due to a stack buffer overflow. This could lead to remote escalation of privilege from a proximal attacker with no additional execution privileges
UnratedPUBLISHEDCNA: MediaTek
CNA base scoreUnratedNo CNA CVSS vector
02 Description
In Boa, there is a possible escalation of privilege due to a stack buffer overflow. This could lead to remote escalation of privilege from a proximal attacker with no additional execution privileges
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
- 1.27% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 69.5% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (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:H/I:H/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
- 2023-02-06 00:00Z3 YR AGO
- Last updated
- 2024-08-03 23:03Z2 YR AGO
- Reserved
- 2021-04-22
- Assigning CNA
- MediaTek
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-787Out-of-bounds WriteBase
- Data version
- 5.1
- Document digest
- ca7c92e55d1c0baf0b65683dba65980d3b7f8b81cf8aebdb9a2d032945d42fd4
05 Affected products
VendorProductVersionsPlatforms
06 References
- corp.mediatek.comhttps://corp.mediatek.com/product-security-acknowledgements