Silverpeas Core 6.3.1 is vulnerable to Incorrect Access Control. An attacker with low privileges is able to execute the administrator-only function of putting the application in "Maintenance Mode" due to broken access control. This makes the application unavailable to all users. This affects Silverpeas Core 6.3.1 and below.
Conclusion & alert: CVE-2023-47320 is rated High Exploit Risk (65.2/100): CVSS High severity, with low exploitation likelihood (EPSS 0.74%).Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB).Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
Public exploit references (Exploit-DB) for CVE-2023-47320
Exploit prediction scoring system (EPSS) score for CVE-2023-47320
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).