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CVE-2021-25500

nvd nist
Published: Nov 5, 2021Modified: Jun 17, 2026

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4.4
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Exploitability: 0.8 / Impact: 3.6
Source: NVD

Description

A missing input validation in HDCP LDFW prior to SMR Nov-2021 Release 1 allows attackers to overwrite TZASC allowing TEE compromise.

Affected (2)

Products: Google: Android
Google
1 product
Android
Configuration A
2 vulnerable · 4 platform
Vulnerable SoftwareAffected Versions
Google
Android
Version 10.0
Android
Version 11.0
Running on/withPlatform Versions
Samsung
Exynos 2100
All versions
Samsung
Exynos 980
All versions
Samsung
Exynos 9820
All versions
Samsung
Exynos 9830
All versions

Related CWEs

CWE-20
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
CWE-787
Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.

References (2)

Source: mobile.security@samsung.com
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.