CVE-2018-18366
6.5 · MEDIUMOverview
CVE-2018-18366 is a medium-severity vulnerability affecting symantec endpoint_protection. It was published on April 25, 2019 and has a CVSS 3.0 base score of 6.5 (MEDIUM).
This vulnerability has a CVSS 3.0 base score of 6.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
Symantec Norton Security prior to 22.16.3, SEP (Windows client) prior to and including 12.1 RU6 MP9, and prior to 14.2 RU1, SEP SBE prior to Cloud Agent 3.00.31.2817, NIS-22.15.2.22, SEP-12.1.7484.7002 and SEP Cloud prior to 22.16.3 may be susceptible to a kernel memory disclosure, which is a type of issue where a specially crafted IRP request can cause the driver to return uninitialized memory.
Remediation
Check the references section for vendor advisories and patches from symantec. Update endpoint_protection 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 |
|---|---|---|---|
| symantec | endpoint_protection_cloud | >= 0, < 22.16.3 | Affected |
| symantec | endpoint_protection_cloud_agent | >= 0, < 3.00.31.2817 | Affected |
| symantec | norton_security | >= 0, < 22.16.3 | Affected |
Frequently Asked Questions
What is CVE-2018-18366?
CVE-2018-18366 is a medium-severity vulnerability affecting symantec endpoint_protection. It was published on April 25, 2019 and has a CVSS 3.0 base score of 6.5 (MEDIUM).
How severe is CVE-2018-18366?
This vulnerability has a CVSS 3.0 base score of 6.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2018-18366?
Check the references section for vendor advisories and patches from symantec. Update endpoint_protection 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-2018-18366?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-18366 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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