cybersecurity | Threat Intelligence | zero day N-central 4EverAble2Shell: Zero-Day Exploited Within Hours, and 19 of 21 Victims Were Fully Patched By Attackers exploited the N-able N-central zero-day 4EverAble2Shell hours after a researcher published a PoC. 21 servers are compromised, 19 on the latest hotfix. Here is what MSPs and their customers must do now.