PT-2021-16668 · Samsung · Exynos Cp Chipset

Published 2021-10-06 · Updated 2021-10-13 · CVE-2021-25478

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Exynos CP Chipset versions prior to SMR Oct-2021 Release 1

Description: A possible stack-based buffer overflow vulnerability in the Exynos CP Chipset allows arbitrary memory write and code execution.

Recommendations: For Exynos CP Chipset versions prior to SMR Oct-2021 Release 1, update to SMR Oct-2021 Release 1 or later to resolve the issue.

Fix

Memory Corruption

Stack Overflow

Weakness Enumeration

CWE-787

CWE-121

Related Identifiers

CVE-2021-25478

Affected Products

Exynos Cp Chipset

References · 5

• https://osv.dev/vulnerability/CVE-2021-25478 · Vendor Advisory
• https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-25478 · Security Note
• https://t.me/cibsecurity/30101 · Telegram Post
• https://t.me/cvenotify/22004 · Telegram Post