CVE-2024-20036

Local information disclosure via vdec permission bypass

Published Mar 4, 2024 · Updated Mar 20, 2025

Improper access control in MediaTek vdec on Android 12.0 through 14.0 allows local users with System privileges to disclose information. The vdec component improperly bypasses a permission check, but MediaTek has not disclosed the affected operation or protected data. Exploitation requires existing System execution privileges and no user interaction; the bounded impact is local information disclosure.

CVSS severity4.4
Medium
EPSS probability0.08%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in MediaTek vdec on Android 12.0 through 14.0 allows local users with System privileges to disclose information. The vdec component improperly bypasses a permission check, but MediaTek has not disclosed the affected operation or protected data. Exploitation requires existing System execution privileges and no user interaction; the bounded impact is local information disclosure.

The record

CVE
CVE-2024-20036
Published
Mar 4, 2024
Updated
Mar 20, 2025
Vendor
MediaTek
Product
MT8792
Classifications
CWE-284
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Mar 4, 2024CVE publishedPublication date reported by the CVE source.
  2. Mar 20, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=*

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

MediaTek · MT8792version=0 <=*
MediaTek · MT8796version=0 <=*
MediaTek · MT6835version=0 <=*
MediaTek · MT6855version=0 <=*
MediaTek · MT8798version=0 <=*
MediaTek · MT6879version=0 <=*
MediaTek · MT6886version=0 <=*
MediaTek · MT6985version=0 <=*
MediaTek · MT6983version=0 <=*
MediaTek · MT6895version=0 <=*

Published CVSS scores

4.4CISA-ADPCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-284Improper Access Control

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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