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ChromeWeb browser · Google

CVE-2023-0140

MEDIUM · 6.5 CVSS v3.1 Published 2023-01-10
Fix available
A fix is available. Upgrade to 109.0.5414.74 or later.
See remediation →
72/100
Remediation priority · Elevated
Remotely reachable No privileges

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 · unedited
Inappropriate implementation in in File System API in Google Chrome on Windows prior to 109.0.5414.74 allowed a remote attacker to bypass file system restrictions via a crafted HTML page. (Chromium security severity: Low)

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 confidence

Google Chrome on Windows had an inappropriate implementation in its File System API that allowed a remote attacker to bypass file system restrictions via a crafted HTML page. The vulnerability existed prior to version 109.0.5414.74.

MitigationUpdate Google Chrome to version 109.0.5414.74 or later on all Windows systems to remediate this file system restriction bypass vulnerability.

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
ChromeWeb browser
Affected:< 109.0.5414.74

CVSS 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
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

CVSS:3.1/AV:N/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 checks

Work through these to decide whether this CVE applies to you.

  1. Check Google Chrome version on Windows
    Open Google Chrome, click the three-dot menu in the top-right corner, select Help, then select About Google Chrome. Alternatively, open Command Prompt and run: chrome --version
    Affected if The displayed version number is less than 109.0.5414.74
  2. Verify Windows platform
    This vulnerability affects only Google Chrome on Windows. Confirm the operating system is Windows by opening Settings > System > About or running 'systeminfo' in Command Prompt
    Affected if The system is running Windows and the Chrome version from step 1 is below 109.0.5414.74

You are affected if Google Chrome on Windows is installed with a version lower than 109.0.5414.74

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 · scoped
Upgrade available Upgrade to 109.0.5414.74 or later
Fixed in 109.0.5414.74
Interim mitigation

Update Google Chrome to version 109.0.5414.74 or later on all Windows systems to remediate this file system restriction bypass vulnerability.

Recommended fix High confidence

Chrome 109.0.5414.74 (Windows)

  1. Open Google Chrome on Windows
  2. Click the three-dot menu icon in the top-right corner
  3. Select 'Help' then 'About Google Chrome'
  4. Chrome will automatically check for updates and download version 109.0.5414.74 or later
  5. Click 'Relaunch' or restart Chrome manually to apply the update
  6. Verify the update by returning to Help > About Google Chrome and confirming the version is 109.0.5414.74 or newer

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Chrome Scoped from the published advisory
  • Consultation0.5 h
  • Implementation0.3 h
  • Testing0.3 h
  • Review / QA0.3 h
1.3 hours of engineering $750
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,200.

Scan for this in your stack

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dbcve dependency scanner

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2023-0140 in production — separate from our analysis above.

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.

What this is

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.

What belongs here
  • 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