Email SecurityApplication · Forcepoint

CVE-2019-6140

CRITICAL · 9.8 CVSS v3.1 Published 2019-04-09
Fix available
A fix is available. Upgrade to after 8.5.3 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
A configuration issue has been discovered in Forcepoint Email Security 8.4.x and 8.5.x: the product is left in a vulnerable state if the hybrid registration process is not completed.

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

Forcepoint Email Security 8.4.x and 8.5.x contains a configuration vulnerability where the product remains in an insecure state if the hybrid registration process is not completed during initial setup, resulting in critical severity exposure.

MitigationComplete the hybrid registration process during initial setup/configuration to ensure the product transitions out of the vulnerable state.

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
Email SecurityApplication
Affected:>= 8.5, <= 8.5.3= 8.4

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:3.1/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. Identify the installed Forcepoint Email Security version
    Use the product's version check mechanism (typically via the administrative console or command-line tool provided by Forcepoint) to determine the exact version number running in your environment
    Affected if The installed version is 8.4 (any patch level) or falls between 8.5.0 and 8.5.3 inclusive
  2. Verify hybrid registration completion status
    Access the Forcepoint Email Security administrative interface and locate the hybrid registration or initial setup status panel. Look for a status indicator that shows whether the hybrid registration process was successfully completed
    Affected if The hybrid registration shows as incomplete, not performed, or the product remains in an initial setup state that has not been finalized
  3. Confirm the vulnerable configuration state exists
    In the administrative console, examine the system status or configuration summary for any indicators that the product has not transitioned out of its default insecure state. This may appear as a warning about incomplete setup or unconfigured hybrid services
    Affected if The product displays a status indicating hybrid registration was never completed or the initial setup wizard was not finished

You are affected if your Forcepoint Email Security version is 8.4 or 8.5.x through 8.5.3 AND the hybrid registration process was never completed during initial setup, leaving the product in an insecure configuration state.

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.

From vendor data
Upgrade available Upgrade to a release after 8.5.3
Interim mitigation

Complete the hybrid registration process during initial setup/configuration to ensure the product transitions out of the vulnerable state.

Fix this in Email Security 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

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2019-6140 — 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 sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2019-6140 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