CVE-2019-6140

CRITICAL

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.

Affects 1 product across 1 vendor.

CVSS 3.19.8
EPSS1.4%
Percentile72th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, impact contained to the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-284: Improper Access Control

Software does not restrict or incorrectly restricts access to a resource.

Related Attack Patterns (CAPEC)
CAPEC-478 Modification of Windows Service Configuration
via CWE-284
CAPEC-479 Malicious Root Certificate
via CWE-284
CAPEC-546 Incomplete Data Deletion in a Multi-Tenant Environment
via CWE-284
CAPEC-550 Install New Service
via CWE-284
CAPEC-551 Modify Existing Service
via CWE-284
Show all 17

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

This vulnerability was disclosed in 2019. A critical vulnerability affects Forcepoint systems (CVE-2019-6140). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2019-GLOBAL-194044-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2019-6140?
This vulnerability was disclosed in 2019. A critical vulnerability affects Forcepoint systems (CVE-2019-6140). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2019-6140?
CVE-2019-6140 has CVSS 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS: 1.4%.
Is CVE-2019-6140 actively exploited?
No confirmed active exploitation of CVE-2019-6140 as of 2026-06-21.
How do I remediate CVE-2019-6140?
Priority: MEDIUM. Advisory: https://help.forcepoint.com/security/CVE/CVE-2019-6140.html PSIRT: [email protected]
What systems are affected by CVE-2019-6140?
CVE-2019-6140 affects Forcepoint Email Security.
Vulnerability Details
CVE IDCVE-2019-6140
BSIDBS-2019-GLOBAL-194044-C BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published2019-04-09
Last Modified2026-06-17
ICS Relevance15%
Weakness (CWE)
Improper Access Control
SourceNVD
Official Description

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.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: 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. CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Exploitation Likelihood: LOW

Affected Products
VendorProductAffected Versions
Forcepoint Email Security 8.4 ≥ 8.5, ≤ 8.5.3
Remediation
View Vendor Advisory →

Remediation Priority: MEDIUM

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 2746 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hashe44163fe0a0eaec58308958dd3b995f9eafeb79d1c37dcb967e0ce6a487c5a85cd21b9ad581611b46b6a8f3a79c6f2de312293b550bba72a6a9fead4b62afb77
Related CVEs affecting Forcepoint
CVE-2022-1700 9.8 Improper Restriction of XML External Entity Reference ('XXE') vulnerability i... CVE-2018-16529 9.8 A password reset vulnerability has been discovered in Forcepoint Email Securi... CVE-2018-16530 9.8 A stack-based buffer overflow in Forcepoint Email Security version 8.5 allows... CVE-2019-6139 9.8 Forcepoint User ID (FUID) server versions up to 1.2 have a remote arbitrary f... CVE-2023-2080 9.8 Improper Neutralization of Special Elements used in an SQL Command ('SQL Inje...
View all Forcepoint CVEs →

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