PT-2023-17712 · Google · Android

Published 2023-01-01 · Updated 2023-02-01 · CVE-2023-20921

Positive Technologies (AI Summary)

CVSS v3.1

7.3

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Android versions Android-10 through Android-13

Description A logic error in the code of AccessibilityManagerService.java allows for the automatic granting of accessibility services, potentially leading to local escalation of privilege without requiring additional execution privileges. User interaction is necessary for exploitation.

Recommendations For Android versions Android-10 through Android-13, update to a version that includes the fix for this issue to prevent local escalation of privilege. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-670

Related Identifiers

ASB-A-243378132

CVE-2023-20921

Affected Products

Android

References · 5

• https://osv.dev/vulnerability/ASB-A-243378132 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-20921 · Vendor Advisory
• https://source.android.com/security/bulletin/2023-01-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-20921 · Security Note
• https://android.googlesource.com/platform/frameworks/base/+/7cad088a533f967d94c8d436b609e4ed2b184897 · Note