CVE-2022-20269
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedIn Bluetooth, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-209062898
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceThis is a local privilege escalation vulnerability in Android 13's Bluetooth stack. The issue is an out-of-bounds write caused by an incorrect bounds check, allowing a local attacker with System execution privileges to write beyond allocated buffer boundaries and escalate privileges further.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data= 13.0CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Adjacent
- Complexity
- Low
- Privileges
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Verify Android version is 13.0Go to Settings > About Phone > Android version, or run command: getprop ro.build.version.releaseAffected if The version shows exactly 13.0 (not 12.x, 14.x, or later)
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Confirm Bluetooth is enabledCheck Settings > Bluetooth toggle, or run: dumpsys bluetooth_manager | grep 'Bluetooth is'Affected if Bluetooth is turned on or was recently active on the device
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Identify System-level execution contextsReview running processes with UID 1000 (system) or check which apps hold SYSTEM_ALERT_WINDOW or foreground service permissions via: pm list permissions | grep -E 'SYSTEM_ALERT_WINDOW|FOREGROUND_SERVICE'Affected if Applications with elevated system privileges exist on the device, providing potential attack vectors
Your device is affected if it runs Android 13.0 with Bluetooth enabled, as the vulnerability exists in the Bluetooth stack and requires System execution privileges to exploit.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
dbcve · scopedApply the Android security patch for the month containing this CVE. Ensure devices receive regular monthly security updates, as this vulnerability is patched through the standard Android security bulletin process.
Android 13 with November 2022 security patch level or later; preferably Android 14
- Check your current Android version and security patch level in Settings > About Phone > Android version
- Ensure your device has the latest system update installed by checking for updates in Settings > System > Software Update
- Apply any available system updates that include the November 2022 or later Android Security Bulletin patches
- After updating, verify your device is running Android 13 with a security patch level that includes the fix for CVE-2022-20269
- If your device manufacturer has not released an update containing this fix, consider upgrading to Android 14 or later if your device is supported
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Implementation8.0 h
- Testing12.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $7,616.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-20269 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2022-20269 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data