CVE-2021-25431
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 · uneditedImproper access control vulnerability in Cameralyzer prior to versions 3.2.1041 in 3.2.x, 3.3.1040 in 3.3.x, and 3.4.4210 in 3.4.x allows untrusted applications to access some functions of Cameralyzer.
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 confidenceImproper access control vulnerability in Samsung's Cameralyzer application allows untrusted/third-party applications to bypass authorization checks and access certain camera functions. The vulnerability stems from missing or inadequate validation of calling application identity before permitting access to sensitive camera operations.
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>= 3.2.0, < 3.2.1041>= 3.3.0, < 3.3.1040>= 3.4.0, < 3.4.4210CVSS 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
- None
- Integrity
- High
- Availability
- None
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/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.
-
Check if Cameralyzer app is installedOn the Samsung device, go to Settings > Apps > Cameralyzer, or use ADB command: adb shell pm list packages | grep cameralyzerAffected if Cameralyzer is not installed on the device - the device is not affected
-
Determine installed Cameralyzer versionNavigate to Settings > Apps > Cameralyzer > App info on the device, or use ADB: adb shell dumpsys package com.samsung.android.app.cameraalyzer | grep versionNameAffected if Unable to retrieve version - manual inspection required
-
Compare version against affected rangesCheck if the installed version falls within: 3.2.0 to 3.2.1040, 3.3.0 to 3.3.1039, or 3.4.0 to 3.4.4209. Versions before 3.2.1041, 3.3.1040, or 3.4.4210 are vulnerable.Affected if Installed version is less than 3.2.1041, 3.3.1040, or 3.4.4210 - the device is affected by this improper access control vulnerability
If Cameralyzer is installed and its version is below 3.2.1041, 3.3.1040, or 3.4.4210 (depending on the major version line), the device is vulnerable to unauthorized camera function access.
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.
From vendor data3.2.10413.3.10403.4.4210
Update Cameralyzer to version 3.2.1041 or later for 3.2.x, 3.3.1040 or later for 3.3.x, or 3.4.4210 or later for 3.4.x to resolve the improper access control flaw.
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 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 $3,088.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-25431 — 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-2021-25431 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
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
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