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CVE-2018-12239

6.8 · MEDIUM

Norton prior to 22.15; Symantec Endpoint Protection (SEP) prior to 12.1.7454.7000 & 14.2; Symantec Endpoint Protection Small Business Edition (SEP SBE) prior to NIS-22.15.1.8 & SEP-12.1.7454.7000;…

Published Nov 29, 2018EPSS 0.52%

Overview

CVE-2018-12239 is a medium-severity vulnerability. It was published on November 29, 2018 and has a CVSS 3.0 base score of 6.8 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 6.8, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Norton prior to 22.15; Symantec Endpoint Protection (SEP) prior to 12.1.7454.7000 & 14.2; Symantec Endpoint Protection Small Business Edition (SEP SBE) prior to NIS-22.15.1.8 & SEP-12.1.7454.7000; and Symantec Endpoint Protection Cloud (SEP Cloud) prior to 22.15.1 may be susceptible to an AV bypass issue, which is a type of exploit that works to circumvent one of the virus detection engines to avoid a specific type of virus protection. One of the antivirus engines depends on a signature pattern from a database to identify malicious files and viruses; the antivirus bypass exploit looks to alter the file being scanned so it is not detected.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

Refwww.securityfocus.com/bid/105918Refsupport.symantec.com/content/unifiedweb/en_US/article.SYMSA1468.htmlRefwww.securityfocus.com/bid/105918Refsupport.symantec.com/content/unifiedweb/en_US/article.SYMSA1468.html

How CyberStrike helps

Frequently asked questions

What is CVE-2018-12239?

CVE-2018-12239 is a medium-severity vulnerability. It was published on November 29, 2018 and has a CVSS 3.0 base score of 6.8 (MEDIUM).

How severe is CVE-2018-12239?

This vulnerability has a CVSS 3.0 base score of 6.8, rated MEDIUM. 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-2018-12239?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2018-12239?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-12239 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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