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CVE-2023-20835

MEDIUM
6.4
CVSS Score
Published: September 4, 2023 at 02:27 AM UTC
Updated: June 17, 2026 at 05:30 AM UTC
9 products affected across 3 vendorsAndroidYoctoIot Yocto

Using MT6895, MT6983, MT8188, MT8195, MT8395, MT8781 by MediaTek, Inc.?

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

Description

In camsys, there is a possible use after 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: ALPS07341261; Issue ID: ALPS07326570.

Affected

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

Android· Google
95%
12.013.0
mediatek-mt6895 (environment) · mediatek-mt6983 (environment) · mediatek-mt8188 (environment) · mediatek-mt8195 (environment) · mediatek-mt8395 (environment) · mediatek-mt8781 (environment)
Yocto· Linuxfoundation
95%
4.0
mediatek-mt6895 (environment) · mediatek-mt6983 (environment) · mediatek-mt8188 (environment) · mediatek-mt8195 (environment) · mediatek-mt8395 (environment) · mediatek-mt8781 (environment)
Iot Yocto· MediaTek
95%
23.0
mediatek-mt6895 (environment) · mediatek-mt6983 (environment) · mediatek-mt8188 (environment) · mediatek-mt8195 (environment) · mediatek-mt8395 (environment) · mediatek-mt8781 (environment)
MT6895· MediaTek
60%
Android 12.0, 13.0 / IOT-v23.0 (Yocto 4.0)
MT6983· MediaTek
60%
Android 12.0, 13.0 / IOT-v23.0 (Yocto 4.0)
MT8188· MediaTek
60%
Android 12.0, 13.0 / IOT-v23.0 (Yocto 4.0)
MT8195· MediaTek
60%
Android 12.0, 13.0 / IOT-v23.0 (Yocto 4.0)
MT8395· MediaTek
60%
Android 12.0, 13.0 / IOT-v23.0 (Yocto 4.0)
MT8781· MediaTek
60%
Android 12.0Android 12.0, 13.0 / IOT-v23.0 (Yocto 4.0)Android 13.0IOT-v23.0 (Yocto 4.0)

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/September-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-362CWE-416

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