Mass exploitation of Zimbra SNMP flaw (CVE-2026-73570) compromises hundreds of mail servers
Attackers exploited CVE-2026-73570, an unauthenticated command injection flaw in Zimbra Collaboration Suite's SNMP notification handling, compromising at least 274 internet-facing mail servers within days of CERT Polska confirming exploitation.
- Victim
- Zimbra Collaboration Suite