Critical Cisco bug lets hackers add root users on SEG devices
Cisco has fixed a critical severity vulnerability that lets attackers add new users with root privileges and permanently crash Security Email Gateway (SEG) appliances using emails with malicious attachments. Tracked as CVE-2024-20401, this arbitrary file write security flaw in the SEG content scanning and message filtering features is caused by an absolute path traversal weakness that allows replacing any file on the underlying operating system.