CVE-2022-20435
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 · uneditedThere is a Unauthorized service in the system service, may cause the system reboot. Since the component does not have permission check and permission protection, resulting in EoP problem.Product: AndroidVersions: Android SoCAndroid ID: A-242248367
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 confidenceA system service in Android lacks proper permission validation, allowing unauthorized callers to access the service without authentication. This permission bypass enables local elevation of privileges and can potentially trigger a system reboot.
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 dataall versionsCVSS 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
- Local
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:L/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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Check Android security patch levelGo to Settings > About Phone > Android version or run 'getprop ro.build.version.security_patch' via ADB to see the installed security patch dateAffected if The security patch level is earlier than the date when patch A-242248367 was released (typically November 2022 or later)
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Verify if patch A-242248367 is includedCheck the Android Security Bulletin for your device's specific month/year update and confirm patch A-242248367 is listed as includedAffected if The installed security update does not include the fix for A-242248367 or the patch level cannot be determined
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Confirm device is running a Google Android buildRun 'getprop ro.build.fingerprint' or check Settings > About Phone to identify the exact Android buildAffected if The device runs any Google Android build and the security patch level predates the fix
The device is affected if it runs any version of Google Android without the security patch that includes the fix for A-242248367.
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 (A-242248367) from the vendor that adds proper permission checking to the affected system service.
Android 13 (or the latest supported Android version for your device with October 2022 security patch or later)
- Check the Android Security Bulletin for the month this CVE was addressed (October 2022)
- Apply the latest Android Security Patch Level available for your device
- For devices with no official patch available, consider upgrading to a supported Android version that received the patch
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation6.0 h
- Implementation12.0 h
- Testing10.0 h
- Review / QA6.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $9,504.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-20435 — 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-2022-20435 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