CVE Tools
Sign in

CVE-2021-41028

Published: Dec 16, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-295
NVD MITRE
8.2CVSSHIGH
EPSS Score
0.2%
Top 88.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A combination of a use of hard-coded cryptographic key vulnerability [CWE-321] in FortiClientEMS 7.0.1 and below, 6.4.6 and below and an improper certificate validation vulnerability [CWE-297] in FortiClientWindows, FortiClientLinux and FortiClientMac 7.0.1 and below, 6.4.6 and below may allow an unauthenticated and network adjacent attacker to perform a man-in-the-middle attack between the EMS and the FCT via the telemetry protocol.

CVSS Vector Breakdown

AV:AAC:HPR:NUI:NS:CC:LI:HA:H
Exploitability
AV:AAttack Vector
Adjacent
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-295CWE-798

Affected Products

FortiClientMacFortinet Inc.Security Products
FortiClient for LinuxFortinet Inc.Security Products
FortiClient WindowsFortinet Inc.Security Products
FortiClientEMSFortinet Inc.Security Products
Fortinet FortiClientEMS, FortiClientWindows, FortiClientLinux, FortiClientMacFortinetSecurity Products
fortinet inc.commercialUSNetworking Infrastructureaka fortinet
fortinetcommercialUSSecurity Productsaka forti net
and 2 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

3 techniques
Collection
Credential Access
Initial Access
View detailed technique mapping

References

https://nvd.nist.gov/vuln/detail/CVE-2021-41028
nvd.nist.gov
https://fortiguard.com/advisory/FG-IR-21-075
fortiguard.com

Timeline

Published
Dec 16, 2021
Last Updated
Nov 21, 2024

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2021-41028 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows