The SysPlant.sys driver in the Application and Device Control (ADC) component in the client in Symantec Endpoint Protection (SEP) 12.1 before RU6-MP4 allows remote attackers to execute arbitrary code via a crafted HTML document, related to "RWX Permissions."
Conclusion & alert: CVE-2015-8154 is rated High Risk (70.4/100): CVSS High severity, with high exploitation likelihood (EPSS 5.01%, 91th percentile).Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +3.33% over the last day, indicating growing attacker interest.Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
Exploit prediction scoring system (EPSS) score for CVE-2015-8154
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).