CVE-2023-27962
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 · uneditedA logic issue was addressed with improved checks. This issue is fixed in macOS Ventura 13.3, macOS Monterey 12.6.4, macOS Big Sur 11.7.5. An app may be able to modify protected parts of the file system.
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 macOS vulnerability affecting Big Sur 11.7.5, Monterey 12.6.4, and Ventura 13.3. A logic flaw allowed a malicious or compromised application to bypass file system protection mechanisms and modify protected parts of the file system that should normally be restricted. The fix involved implementing improved validation checks to enforce proper file system boundaries.
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>= 11.0, < 11.7.5>= 12.0, < 12.6.4>= 13.0, < 13.3CVSS 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
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- High
- Availability
- None
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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.
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Determine the installed macOS versionRun the command 'sw_vers -productVersion' in Terminal to obtain the exact version numberAffected if The version displayed is less than 11.7.5, 12.6.4, or 13.3 depending on your major release
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Identify the macOS release familyCheck the major version number from the previous step: 11.x is Big Sur, 12.x is Monterey, 13.x is VenturaAffected if The major version is 11 and below 11.7.5, 12 and below 12.6.4, or 13 and below 13.3
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Verify the full version against CVE rangesCompare your installed version to the affected ranges: Big Sur < 11.7.5, Monterey < 12.6.4, Ventura < 13.3Affected if Your installed version falls within any of the vulnerable ranges
You are affected if your macOS version is 11.7.4 or earlier on Big Sur, 12.6.3 or earlier on Monterey, or 13.2.x or earlier on Ventura.
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 · scoped11.7.512.6.413.3
Apply the appropriate macOS security update (Ventura 13.3, Monterey 12.6.4, or Big Sur 11.7.5) to all affected systems. Ensure users do not run untrusted applications that could exploit this vulnerability.
macOS Big Sur 11.7.5 / macOS Monterey 12.6.4 / macOS Ventura 13.3 (depending on your current major version)
- Identify the currently installed macOS version by clicking the Apple menu and selecting About This Mac
- If running macOS Big Sur 11.0-11.7.4, upgrade to macOS Big Sur 11.7.5
- If running macOS Monterey 12.0-12.6.3, upgrade to macOS Monterey 12.6.4
- If running macOS Ventura 13.0-13.2.1, upgrade to macOS Ventura 13.3
- To perform the upgrade, go to System Settings > General > Software Update and install the available update, or download the appropriate installer from Apple's support website
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-27962 — 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-2023-27962 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