CVE-2026-73570critical
Attackers Exploit Zimbra SNMP Flaw for Unauthenticated Remote Code Execution
Attackers are actively exploiting a critical vulnerability in Zimbra Collaboration (ZCS) that allows for unauthenticated remote code execution. The flaw, identified as CVE-2026-73570 with a CVSS score of 8.9, stems from improper input sanitization in the SNMP notification processing. Exploitation can lead to the execution of arbitrary operating system commands as the Zimbra user. Zimbra has released version 10.1.20 to patch this vulnerability, and CERT Polska is urging users to check their logs for signs of compromise.