Tenable Nessus before 6.10.2 (as used alone or in Tenable Appliance before 4.5.0) was found to contain a flaw that allowed a remote, authenticated attacker to upload a crafted file that could be written to anywhere on the system. This could be used to subsequently gain elevated privileges on the system (e.g., after a reboot). This issue only affects installations on Windows.
Conclusion & alert: CVE-2017-6543 is rated Moderate Risk (48.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.84%).Mandatory action: Review affected assets and schedule 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-2017-6543
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).