CVE-2016-6909
9.8 · CRITICALOverview
CVE-2016-6909 is a critical-severity vulnerability affecting fortinet fortios. It was published on August 24, 2016 and has a CVSS 3.0 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Buffer overflow in the Cookie parser in Fortinet FortiOS 4.x before 4.1.11, 4.2.x before 4.2.13, and 4.3.x before 4.3.9 and FortiSwitch before 3.4.3 allows remote attackers to execute arbitrary code via a crafted HTTP request, aka EGREGIOUSBLUNDER.
Remediation
Check the references section for vendor advisories and patches from fortinet. Update fortios 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 | fortios | >= 4.1.0, < 4.1.11 | Affected |
| fortinet | fortiswitch | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2016-6909?
CVE-2016-6909 is a critical-severity vulnerability affecting fortinet fortios. It was published on August 24, 2016 and has a CVSS 3.0 base score of 9.8 (CRITICAL).
How severe is CVE-2016-6909?
This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2016-6909?
Check the references section for vendor advisories and patches from fortinet. Update fortios 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-2016-6909?
CyberStrike's AI-powered security agents can automatically detect CVE-2016-6909 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.
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