Critical Remote Code Execution in CyberPanel (CVE‑2024‑51567) – Incorrect Default Permissions
What It Is – CyberPanel, the open‑source hosting control panel from CyberPersons, ships with a default file‑system permission set that grants the www-data user write access to critical system directories. An unauthenticated remote attacker can leverage this misconfiguration to execute arbitrary commands as the root user.
Exploitability – The vulnerability is publicly listed in CISA’s Known Exploited Vulnerabilities (KEV) catalog, indicating active exploitation in the wild. No public proof‑of‑concept is required; the flaw is exploitable simply by sending crafted HTTP requests to a vulnerable instance. CVSS v3.1 base score is 9.8 (Critical).
Affected Products – CyberPanel 7.x and later (all editions) running on Linux servers.
Why It Matters for Trust & Control Assurance
- Secure Configuration Management – The flaw demonstrates a gap in baseline hardening; continuous verification of default settings is a core control objective across SOC 2, ISO 27001, NIST CSF, and others.
- Audit Evidence – Demonstrating that default permissions are hardened and continuously monitored provides defensible evidence for auditors and enterprise buyers.
- Supply‑Chain Confidence – Hosting providers that bundle CyberPanel must prove they have mitigated this risk to maintain trust with downstream customers.
Recommended Actions
- Apply the vendor‑released patch (CyberPanel 7.9.2 or later) immediately.
- Conduct a post‑patch configuration audit to verify that the
www-datauser no longer has write access to system directories. - Implement automated configuration‑baseline monitoring (e.g., file‑integrity monitoring, CIS Benchmarks) to detect drift.
- Document the remediation steps in your control evidence repository for audit readiness.
Source: CISA KEV – CVE‑2024‑51567