CVE-2022-20242
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 Telephony, there is a possible way to determine whether an app is installed, without query permissions, due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-231986212
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 · high confidenceIn Android-13 Telephony component, a side channel allows an attacker to determine whether a specific application is installed on the device without requiring query permissions. This information disclosure occurs through unintended information leakage rather than direct API access, enabling local attackers to enumerate installed apps silently.
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= 13.0.0CVSS 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
- Local
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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 version is 13.0.0Run 'adb shell getprop ro.build.version.release' or check in Settings > About Phone > Android versionAffected if Version displays exactly 13.0.0 (not 13.0.1 or higher)
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Verify Telephony component is presentConfirm device has telephony capability by checking 'adb shell pm list features' for android.hardware.telephonyAffected if Device has telephony hardware (standard on most phones)
A device is affected only if running Android version 13.0.0 exactly and has telephony capability; versions 13.0.1 and later include the fix.
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 · scopedThis is an Android platform vulnerability requiring a system update from Google/OEM. Organizations should ensure devices receive timely Android security patches. App-side mitigation is not applicable as the flaw resides in the OS framework.
Android 13 with December 2022 security patch level or later (e.g., Android 13.0.0 with 2022-12-01 security patch or newer)
- 1. Navigate to Settings > System > System Update on the affected Android device
- 2. Check for and install the latest available security patch update
- 3. Verify the security patch level is at or after the level that addresses A-231986212
- 4. Confirm the update was successfully applied by re-checking the System Update settings
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation4.0 h
- Testing2.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,336.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-20242 — 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-2022-20242 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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- 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