PT-2021-2463 · Google+1 · Android Kernel+1

Published 2021-03-01 · Updated 2022-07-12 · CVE-2021-0462

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:L/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Android kernel

Description The issue is related to a logic error in the NXP NFC firmware, which could lead to a local escalation of privilege. System execution privileges are needed for exploitation, and user interaction is not required. The vulnerability is associated with insecure management of privileges in the NFC component of the Android operating system, allowing an attacker to elevate their privileges.

Recommendations For Android kernel, apply the necessary security updates to fix the insecure firmware update issue. As a temporary workaround, consider restricting access to the NFC firmware to minimize the risk of exploitation.

Fix

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

BDU:2021-01830

CVE-2021-0462

Affected Products

Android Kernel

Nxp Nfc

References · 5

• https://source.android.com/security/bulletin/pixel/2021-08-01 · Vendor Advisory
• https://source.android.com/security/bulletin/pixel/2021-03-01 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-01830 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-0462 · Security Note
• https://t.me/cibsecurity/24715 · Telegram Post