🛡️ CVE-2022-20411 — android

🟠 CVSS 8.8 — High ✅ No Known Exploit CWE-787 NVD
8.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

In avdt_msg_asmbl of avdt_msg.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution over Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12L Android-13Android ID: A-232023771

How this vulnerability can be exploited

This issue can be reached from an adjacent network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2022-20411 is classified as CWE-787: Out-of-bounds Write. Data is written past the end or before the start of a buffer, corrupting whatever is stored there.

Affected software

CVE-2022-20411 is recorded against 3 packages.

  • android
  • platform/packages/modules/bluetooth (from 13:0 up to 13:2022-12-01)
  • platform/system/bt (from 12:0 up to 12:2022-12-01)

Timeline and source

Published on 13 December 2022 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

source.android.com
source.android.com

Details

Severity HIGH
CVSS Score 8.8
CVSS Vector CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-787
Public Exploit ✅ No
Source NVD
Published 2022-12-13
Updated 2026-08-12
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
android — —
platform/packages/modules/bluetooth 13:0 13:2022-12-01
platform/system/bt 12:0 12:2022-12-01

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