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CVE-2023-20686

MEDIUM
6.4
CVSS Score
Published: April 6, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:30 AM UTC
5 products affected across 2 vendorsAndroidMT6983MT6895

Using MT6879, MT6895, MT6983, MT8781 by MediaTek, Inc.?

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Severity
MEDIUM6.4
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

In display drm, there is a possible double free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07570826; Issue ID: ALPS07570826.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Android· Google
95%
12.013.0
mediatek-mt6879 (environment) · mediatek-mt6895 (environment) · mediatek-mt6983 (environment) · mediatek-mt8781 (environment)
MT6879· MediaTekdevice
80%
All versions
MT6895· MediaTekdevice
80%
All versions
MT6983· MediaTekdevice
80%
All versions
MT8781· MediaTekdevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://corp.mediatek.com/product-security-bulletin/April-2023

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.4MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
HIGH
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-362

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