CVE-2018-12239

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.

6.8

CVSS

Severity: Medium

CVSS 3.0 •

CVSS 2.0 •

EPSS 0.07%

Vendor Advisory symantec.com

Affected: Symantec Corporation Norton; Symantec Endpoint Protection (SEP); Symantec Endpoint Protection Small Business Edition (SEP SBE); Symantec Endpoint Protection Cloud (SEP Cloud)

References

Link	Tags
http://www.securityfocus.com/bid/105918	third party advisory vdb entry
https://support.symantec.com/content/unifiedweb/en_US/article.SYMSA1468.html	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-12239?: CVE-2018-12239 has been scored as a medium severity vulnerability.
How to fix CVE-2018-12239?: To fix CVE-2018-12239, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-12239 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2018-12239 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-12239?: CVE-2018-12239 affects Symantec Corporation Norton; Symantec Endpoint Protection (SEP); Symantec Endpoint Protection Small Business Edition (SEP SBE); Symantec Endpoint Protection Cloud (SEP Cloud).

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