CVE-2023-20921 — Always-Incorrect Control Flow Implementation in Google Android

CWE-670 — Always-Incorrect Control Flow Implementation5 documents5 sources
Severity
7.3HIGHNVD
EPSS
0.0%
top 91.44%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Platform Frameworks BaseGoogle AndroidAtlassian Confluence Data Center
Timeline
PublishedJan 26
Latest updateJul 16

Description

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

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:HExploitability: 1.3 | Impact: 5.9

Affected Packages5 packages

▶CVEListV5google/androidAndroid-10 Android-11 Android-12 Android-12L Android-13
▶NVDgoogle/android5 versions+4
▶Androidplatform/frameworks_base10:0 — 10:2023-01-01+4

🔴Vulnerability Details

2
GHSA
GHSA-xmpg-xcmw-jv5w: In onPackageRemoved of AccessibilityManagerService↗2023-01-26
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OSV
CVE-2023-20921: In onPackageRemoved of AccessibilityManagerService↗2023-01-01
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📋Vendor Advisories

2
Atlassian
CVE-2023-22025 CVE-2023-22081 CVE-2024-20918 CVE-2024-20919 CVE-2024-20921 CVE-2024-20926 CVE-2024-20932 CVE-2024-20945↗2024-07-16
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Android
CVE-2023-20921: Android Security Bulletin 2023-01-01 CVE: CVE-2023-20921 Severity: HIGH Type: EoP Affected AOSP versions: 10, 11, 12, 12L, 13 References: A-243378132↗2023-01-01
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