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Forticlientems CVE-2024-36506

LOW
Improper Verification of Source of a Communication Channel (CWE-940)
2025-01-14 psirt@fortinet.com
3.7
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V12 - Secure Communication Communication channel verification
Impact

CVSS score of 3.7 (LOW). Attack characteristics: network attack vector, high complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 0.26%.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the low-severity affected system.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

An improper verification of source of a communication channel vulnerability [CWE-940] in FortiClientEMS 7.4.0, 7.2.0 through 7.2.4, 7.0 all versions, 6.4 all versions may allow a remote attacker to. Rated low severity (CVSS 3.7), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified under CWE-940. An improper verification of source of a communication channel vulnerability [CWE-940] in FortiClientEMS 7.4.0, 7.2.0 through 7.2.4, 7.0 all versions, 6.4 all versions may allow a remote attacker to bypass the trusted host feature via session connection. Affected products include: Fortinet Forticlientems, Fortinet Forticlientems Cloud. Version information: through 7.2.4.

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Severity by source

NVD PRIMARY 3.7 LOW
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

DescriptionCVE.org

An improper verification of source of a communication channel vulnerability [CWE-940] in FortiClientEMS 7.4.0, 7.2.0 through 7.2.4, 7.0 all versions, 6.4 all versions may allow a remote attacker to bypass the trusted host feature via session connection.

Executive ViewAI

Why It Matters

CVE-2024-36506 is a low-severity vulnerability (CVSS 3.7). The limited severity suggests constrained impact, typically requiring specific conditions or local access for exploitation. Apply vendor updates when available as part of routine maintenance.

Business Impact: Low
Compensating Controls

Apply vendor patch during routine maintenance. Standard security controls provide adequate interim protection.

Threat Intelligence Overview

EPSS Score
0.3%
Top 51% exploitable

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity LOW
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
LOW severity (CVSS 0.1-3.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact
Low

Priority Score

18
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +18
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)CVE.org

cpe:2.3:a:fortinet:forticlientems:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:forticlientems:7.4.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:forticlientems_cloud:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:forticlientems_cloud:7.4.0:*:*:*:*:*:*:*
CVE-2026-35616 CRITICAL POC
9.8 Apr 04

Remote code execution in Fortinet FortiClientEMS versions 7.4.5 through 7.4.6 allows unauthenticated attackers to execut

CVE-2025-59922 HIGH
7.2 Jan 13

An improper neutralization of special elements used in an SQL command ('SQL Injection') vulnerability [CWE-89] vulnerabi

CVE-2026-59836 CRITICAL
9.8 Jul 14

Improper TLS certificate validation in Fortinet FortiClientEMS (Endpoint Management Server) exposes sensitive informatio

CVE-2019-16149 MEDIUM
5.5 Mar 28

An Improper Neutralization of Input During Web Page Generation in FortiClientEMS version 6.2.0 may allow a remote attack

CVE-2024-32119 MEDIUM
4.8 Jun 10

A security vulnerability in Fortinet FortiClientEMS (CVSS 4.8). Remediation should follow standard vulnerability managem

CVE-2023-48786 MEDIUM
4.3 Jun 10

A server-side request forgery vulnerability [CWE-918] in Fortinet FortiClientEMS version 7.4.0 through 7.4.2 and before

CVE-2025-22855 LOW
2.7 Apr 08

An improper neutralization of input during web page generation ('Cross-site Scripting') [CWE-79] vulnerability in Fortin

CVE-2025-22859 MEDIUM
5.3 May 13

A Relative Path Traversal vulnerability [CWE-23] in FortiClientEMS 7.4.0 through 7.4.1 and FortiClientEMS Cloud 7.4.0 th

CVE-2024-36510 MEDIUM
5.3 Jan 14

An observable response discrepancy vulnerability [CWE-204] in FortiClientEMS 7.4.0, 7.2.0 through 7.2.4, 7.0 all version

CVE-2024-23106 HIGH
8.1 Jan 14

An improper restriction of excessive authentication attempts [CWE-307] in FortiClientEMS version 7.2.0 through 7.2.4 and

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