01 Record
CVE-2022-20069
In preloader (usb), there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege, for an attacker who has physical access to the device, with no
UnratedPUBLISHEDCNA: MediaTek
CNA base scoreUnratedNo CNA CVSS vector
02 Description
In preloader (usb), there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege, for an attacker who has physical access to the device, with no
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
- 0.12% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 1.9% of scored records. A rank, not a probability.
- NVD base score
- 6.6 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:P/AC:L/PR:N/UI:R/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
- 2022-04-11 19:38Z4 YR AGO
- Last updated
- 2024-08-03 02:02Z2 YR AGO
- Reserved
- 2021-10-12
- Assigning CNA
- MediaTek
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-190Integer Overflow or WraparoundBase
- Data version
- 5.1
- Document digest
- f78db8860263eda470f3c026cb22840ad9f62919cda1c49ae8419b64f2ff8627
05 Affected products
VendorProductVersionsPlatforms
06 References
- corp.mediatek.comhttps://corp.mediatek.com/product-security-bulletin/April-2022