CVE-2016-6406
9.8 · CRITICALOverview
CVE-2016-6406 is a critical-severity vulnerability affecting cisco email_security_appliance_firmware. It was published on September 22, 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
Cisco IronPort AsyncOS 9.1.2-023, 9.1.2-028, 9.1.2-036, 9.7.2-046, 9.7.2-047, 9.7.2-054, 10.0.0-124, and 10.0.0-125 on Email Security Appliance (ESA) devices, when Enrollment Client before 1.0.2-065 is installed, allows remote attackers to obtain root access via a connection to the testing/debugging interface, aka Bug ID CSCvb26017.
Remediation
Check the references section for vendor advisories and patches from cisco. Update email_security_appliance_firmware 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 |
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References
Frequently Asked Questions
What is CVE-2016-6406?
CVE-2016-6406 is a critical-severity vulnerability affecting cisco email_security_appliance_firmware. It was published on September 22, 2016 and has a CVSS 3.0 base score of 9.8 (CRITICAL).
How severe is CVE-2016-6406?
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-2016-6406?
Check the references section for vendor advisories and patches from cisco. Update email_security_appliance_firmware 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-2016-6406?
CyberStrike's AI-powered security agents can automatically detect CVE-2016-6406 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
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