November 3, 2021 · Applied Cybernetics Group
CVE-2020-0069 — MediaTek Multiple Chipsets
Mediatek Multiple Chipsets Insufficient Input Validation Vulnerability
- Added to KEV
2021-11-03- Federal due date
2022-05-03- Vendor
- MediaTek
- Product
- Multiple Chipsets
- EPSS
- 67.1th percentile (score 0.013, as of
2026-07-13) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- ATT&CK
- T1068 · signal rollup
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2020-0069
CISA short description
Multiple MediaTek chipsets contain an insufficient input validation vulnerability and have missing SELinux restrictions in the Command Queue drivers ioctl handlers. This causes an out-of-bounds write leading to privilege escalation. This vulnerability was observed chained with CVE-2019-2215 and CVE-2020-0041 under exploit chain "AbstractEmu."
Required action
Apply updates per vendor instructions.