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CVE-2020-0069VulnerabilityPublished 11/03/2021Updated 10/24/2026

CVE-2020-0069: Mediatek Multiple Chipsets Insufficient Input Validation Vulnerability

Affects MediaTek Multiple ChipsetsSource CISA KEV

Severity
High

No CVSS score published yet

Exploitation

Actively exploited – in CISA KEV since 11/03/2021

KEV deadline
05/03/2022
EPSS
1.4% chance of exploitation in 30 days – higher than 71% of CVEs

What to do

CISA required action

Apply updates per vendor instructions.

Description

Multiple MediaTek chipsets have an insufficient input validation vulnerability in the Command Queue drivers' ioctl handlers, leading to out-of-bounds writes and privilege escalation. This issue is compounded by missing SELinux restrictions. The vulnerability has been observed exploited in the wild, often chained with other vulnerabilities (CVE-2019-2215 and CVE-2020-0041) in an exploit chain named "AbstractEmu."

Weaknesses

References

Track MediaTek Multiple Chipsets with alerts and the API. See plans

Added 10/24/2026 · analysed 10/24/2026 · updated 10/24/2026