VDB

CVE-2023-20921

CVE-2023-20921 PUBLISHED CVSS 7.3 HIGH

Reported by google_android · Published January 24, 2023

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

Risk scores

CVSS 3.1
7.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Affected products

VendorProductVersions
n/aAndroidAndroid-10 Android-11 Android-12 Android-12L Android-13
n/aAndroid*

Timeline

  • Jan 3, 2023 CVE Published
  • Jan 25, 2023 EPSS Score (30 in total, the first dated here)
  • Nov 30, 2023 PoC Published (3 in total, the first dated here)
  • Apr 2, 2025 CVE Updated
  • May 20, 2026 Coalition ESS Score
  • Jun 2, 2026 Security Advisory

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2023-20921
vulnetix vdb fixes CVE-2023-20921

Or with curl, using the org id and key from your account page:

curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2023-20921/fixes/registry"

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References

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