CVE-2018-12246
6.1 · MEDIUMOverview
CVE-2018-12246 is a medium-severity vulnerability affecting symantec web_isolation. It was published on October 22, 2018 and has a CVSS 3.0 base score of 6.1 (MEDIUM).
This vulnerability has a CVSS 3.0 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Symantec Web Isolation (WI) 1.11 prior to 1.11.21 is susceptible to a reflected cross-site scripting (XSS) vulnerability. A remote attacker can target end users protected by WI with social engineering attacks using crafted URLs for legitimate web sites. A successful attack allows injecting malicious JavaScript code into the website's rendered copy running inside the end user's web browser. It does not allow injecting code into the real (isolated) copy of the website running on the WI Threat Isolation Engine.
Remediation
Check the references section for vendor advisories and patches from symantec. Update web_isolation 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 | web_isolation | >= 1.11, < 1.11.21 | Affected |
Frequently Asked Questions
What is CVE-2018-12246?
CVE-2018-12246 is a medium-severity vulnerability affecting symantec web_isolation. It was published on October 22, 2018 and has a CVSS 3.0 base score of 6.1 (MEDIUM).
How severe is CVE-2018-12246?
This vulnerability has a CVSS 3.0 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-12246?
Check the references section for vendor advisories and patches from symantec. Update web_isolation 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-2018-12246?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-12246 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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