CVE-2023-20634

MEDIUM

Android - Local Privilege Escalation via Widevine Improper Input Validation

Title source: llm

Description

In widevine, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07635697; Issue ID: ALPS07635697.

References (1)

Core 1

Core References

Vendor Advisory

https://corp.mediatek.com/product-security-bulletin/March-2023

Scores

CVSS v3 6.7

EPSS 0.0011

EPSS Percentile 1.8%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-20

Status published

Products (2)

google/android 11.0

google/android 12.0

Published Mar 07, 2023

Tracked Since Feb 18, 2026