Vulnerability Details CVE-2026-73570
A remote code execution vulnerability exists in Zimbra Collaboration (ZCS) before 10.1.20 when the optional zimbra-snmp package is installed and SNMP notifications are enabled. Due to improper sanitization of untrusted input during SNMP notification processing, an unauthenticated attacker can send specially crafted SMTP requests that may result in execution of arbitrary operating system commands as the Zimbra user.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 42.8%
CVSS Severity
CVSS v3 Score 8.9