Local Privilege Escalation Vulnerability in vdec by MediaTek
CVE-2025-20657

6.7MEDIUM

Summary

A vulnerability exists in the vdec component due to improper input validation that allows for permission bypass. This flaw can lead to local privilege escalation, granting malicious individuals the ability to perform unauthorized actions on a system. Notably, exploitation does not require user interaction, making it particularly concerning for systems where the attacker has already gained System privileges. Users are encouraged to apply the provided patch (ALPS09486425) to mitigate potential risks and secure their environments.

Affected Version(s)

MT6765, MT6768, MT6781, MT6789, MT6833, MT6853, MT6877, MT6885, MT8768, MT8771, MT8781, MT8786, MT8791T Android 12.0, 15.0

References

CVSS V3.1

Score:
6.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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