CVE-2018-12239
mediumpriority · track · 27EPSS 0.005 · 44 %ileEUUSEPSS · scored 2026-10-28
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
No weakness (CWE) mapping recorded.
affected products (8)
Products and version ranges known to be affected.
- Symantec Corporation Norton; Symantec Endpoint Protection (SEP); Symantec Endpoint Protection Small Business Edition (SEP SBE); Symantec Endpoint Protection Cloud (SEP Cloud)≤ Prior to 22.15.1 [Symantec Endpoint Protection Cloud (SEP Cloud)]enisa_euvdEU
- Symantec Corporation Norton; Symantec Endpoint Protection (SEP); Symantec Endpoint Protection Small Business Edition (SEP SBE); Symantec Endpoint Protection Cloud (SEP Cloud)≤ Prior to NIS-22.15.1.8 & SEP-12.1.7454.7000 [Symantec Endpoint Protection Small Business Edition (SEP SBE)]enisa_euvdEU
- Symantec Corporation Norton; Symantec Endpoint Protection (SEP); Symantec Endpoint Protection Small Business Edition (SEP SBE); Symantec Endpoint Protection Cloud (SEP Cloud)≤ Prior to 12.1.7454.7000 & 14.2 [Symantec Endpoint Protection (SEP)]enisa_euvdEU
- symantec endpoint protection11.0 → 12.1.7454.7000nvdUScpe:2.3:a:symantec:endpoint_protection:*:*:*:*:*:*:*:*
- symantec endpoint protection cloud< 22.15.1nvdUScpe:2.3:a:symantec:endpoint_protection_cloud:*:*:*:*:*:*:*:*
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://support.symantec.com/content/unifiedweb/en_US/article.SYMSA1468.htmlcnnvd
- https://www.securityfocus.com/bid/105918cnnvd
- http://www.securityfocus.com/bid/105918enisa_euvd
- https://support.symantec.com/content/unifiedweb/en_US/article.SYMSA1468.htmlenisa_euvd
- http://www.securityfocus.com/bid/105918Third Party AdvisoryVDB Entrynvd
- https://support.symantec.com/content/unifiedweb/en_US/article.SYMSA1468.htmlVendor Advisorynvd
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