CVE-2023-20921

2023-01-2621:18:11

CWE-670

[email protected]

web.nvd.nist.gov

cve-2023-20921

android

accessibilitymanagerservice

logic error

local privilege escalation

7.3 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.1%

JSON

In onPackageRemoved of AccessibilityManagerService.java, there is a possibility to automatically grant accessibility services due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12L Android-13Android ID: A-243378132

Affected configurations

NVD

Node

googleandroidMatch10.0

googleandroidMatch11.0

googleandroidMatch12.0

googleandroidMatch12.1

googleandroidMatch13.0

CPENameOperatorVersion
google:androidgoogle androideq10.0
google:androidgoogle androideq11.0
google:androidgoogle androideq12.0
google:androidgoogle androideq12.1
google:androidgoogle androideq13.0

CPE	Name	Operator	Version
google:android	google android	eq	10.0
google:android	google android	eq	11.0
google:android	google android	eq	12.0
google:android	google android	eq	12.1
google:android	google android	eq	13.0

CNA Affected

[
  {
    "vendor": "n/a",
    "product": "Android",
    "versions": [
      {
        "version": "Android-10 Android-11 Android-12 Android-12L Android-13",
        "status": "affected"
      }
    ]
  }
]