CVE-2021-41028
8.2 · HIGHOverview
CVE-2021-41028 is a high-severity vulnerability affecting fortinet forticlient. It was published on December 16, 2021 and has a CVSS 3.1 base score of 8.2 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from fortinet. Update forticlient to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| fortinet | forticlient | 6.0.0 | Affected |
| fortinet | forticlient_endpoint_management_server | 6.2.0 | Affected |
Frequently Asked Questions
What is CVE-2021-41028?
CVE-2021-41028 is a high-severity vulnerability affecting fortinet forticlient. It was published on December 16, 2021 and has a CVSS 3.1 base score of 8.2 (HIGH).
How severe is CVE-2021-41028?
This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-41028?
Check the references section for vendor advisories and patches from fortinet. Update forticlient to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-41028?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-41028 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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