CVE-2021-30925
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 · uneditedThe issue was addressed with improved permissions logic. This issue is fixed in watchOS 8, macOS Big Sur 11.6, iOS 15 and iPadOS 15. A malicious application may be able to bypass Privacy preferences.
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 confidenceA malicious application could bypass Privacy preferences in Apple operating systems, potentially accessing sensitive user data or capabilities that should require explicit user consent. The vulnerability existed in the permissions logic that enforces privacy controls.
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< 15.0< 15.0< 11.6< 8.0CVSS 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
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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 iOS version on iPhoneGo to Settings > General > About and note the Version numberAffected if Version is below 15.0 (e.g., 14.x)
-
Check iPadOS version on iPadGo to Settings > General > About and note the Version numberAffected if Version is below 15.0 (e.g., 14.x)
-
Check macOS version on MacClick Apple menu > About This Mac and note the version number under macOSAffected if Version is below 11.6 (e.g., 11.5.x or earlier)
-
Check watchOS version on Apple WatchOpen the Watch app on iPhone, go to General > About, and note the watchOS versionAffected if Version is below 8.0 (e.g., 7.x)
The environment is affected if any Apple device runs an OS version lower than iOS 15, iPadOS 15, macOS 11.6, or watchOS 8.
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 · scoped8.011.615.0
Update affected devices to iOS 15+, iPadOS 15+, macOS Big Sur 11.6+, or watchOS 8+ to apply the vendor patch.
iOS 15, iPadOS 15, macOS Big Sur 11.6, or watchOS 8 (depending on device type)
- For iPhone or iPad: Go to Settings > General > Software Update and upgrade to iOS 15 or iPadOS 15
- For Mac: Go to System Preferences > Software Update and upgrade to macOS Big Sur 11.6
- For Apple Watch: Open the Watch app on iPhone, go to My Watch > General > Software Update and upgrade to watchOS 8
- Ensure all devices are connected to Wi-Fi and power during the update process
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation1.0 h
- Testing2.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,696.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-30925 — 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-2021-30925 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