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

criticalknown exploitedpublic exploitCVE-2020-0069
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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."

CSIRTS triage

vendor: MediaTekPrivilege escalation
What
Multiple MediaTek chipsets have an insufficient input validation vulnerability leading to privilege escalation.
Who is affected
Deployments of affected MediaTek chipsets.
Urgency
Remediation is critical as the vulnerability is actively exploited.
Action
Apply patches or mitigations provided by MediaTek.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-11-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2020-0069

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2020-0069coverage & exploitation statusNVD · CVE.org

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