
Networking, VLANs & Security Hardening
Proxmox Auth Bypass CVE-2023-54391: Detect and Fix It
A single unvalidated parameter on the login endpoint skips the password check entirely - and every affected release is already end of life.
8 min read
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5 articles tagged hardening.

A single unvalidated parameter on the login endpoint skips the password check entirely - and every affected release is already end of life.

Segmenting Your Proxmox Homelab: Practical VLAN Configuration and Firewall Rules

Most homelab tutorials show a single Ethernet cable from your switch into one network port, then tag every other

A deep dive into CVE-2024-21545, the authenticated arbitrary file read in Proxmox VE that can be chained into a full root takeover — and how to fix it.

Essential security hardening steps for Proxmox VE — firewall, fail2ban, SSH keys, and 2FA setup.