Iphone OsOperating system · Apple

CVE-2019-6206

CRITICAL · 9.8 CVSS v3.0 Published 2019-03-04
Fix available
A fix is available. Upgrade to 12.1.3 or later.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

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
An issue existed with autofill resuming after it was canceled. The issue was addressed with improved state management. This issue is fixed in iOS 12.1.3. Password autofill may fill in passwords after they were manually cleared.

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 confidence

State management flaw in iOS 12.1.2 and earlier where password autofill incorrectly re-populates passwords after being manually canceled and cleared by the user, potentially causing credential confusion or unintended credential exposure.

MitigationUpdate affected iOS devices to iOS 12.1.3 or later, which contains the fix for improved autofill state management.

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
Iphone OsOperating system
Affected:< 12.1.3

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
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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 iOS version installed on the device
    Go to Settings > General > About > Version, or use Xcode/Apple Configurator to read the installed iOS version
    Affected if The version displayed is 12.1.2 or earlier (less than 12.1.3)
  2. Verify if Password AutoFill is enabled
    Navigate to Settings > Passwords & Accounts > AutoFill Passwords, or check Settings > Safari > AutoFill > Passwords
    Affected if AutoFill Passwords is turned ON and the device uses Keychain or third-party password managers for autofill
  3. Confirm Keychain password storage is in use
    Check Settings > Passwords & Accounts > Website & App Passwords (requires authentication), or verify Safari/app autofill is linked to stored credentials
    Affected if Any passwords are stored and available for autofill on the device

The environment is affected if the iOS version is below 12.1.3 and Password AutoFill is enabled with stored credentials available for autofill.

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 12.1.3 or later
Fixed in 12.1.3
Interim mitigation

Update affected iOS devices to iOS 12.1.3 or later, which contains the fix for improved autofill state management.

Recommended fix High confidence

iOS 12.1.3 or later

  1. Back up your iPhone data using iTunes or iCloud before upgrading
  2. Connect your iPhone to a power source and ensure it is connected to Wi-Fi
  3. Open the Settings app on your iPhone
  4. Tap General
  5. Tap Software Update
  6. Download and install the iOS 12.1.3 update
  7. Once installed, verify the update by going to Settings > General > About and confirming the version number
Caveat iOS upgrades may introduce UI changes or remove support for older apps; review Apple's iOS 12.1.3 release notes before upgrading

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

Fix this in Iphone Os Scoped from the published advisory
  • Consultation2.0 h
  • Implementation1.0 h
  • Testing1.0 h
  • Review / QA1.0 h
5.0 hours of engineering $910
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,456.

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-2019-6206 in production — separate from our analysis above.

No notes yet

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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