Wire · regulatory
Attackers Exploit Zimbra SNMP Flaw for Unauthenticated Remote Code Execution
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Fusion42 · 22 August 2026 · Fusion42 review
A critical unauthenticated remote code execution vulnerability (CVE-2026-73570) affecting Zimbra Collaboration before version 10.1.20 is being actively exploited in the wild. The flaw allows attackers to execute arbitrary commands if the optional zimbra-snmp package is installed and SNMP notifications are enabled, prompting urgent patching.
This Wire brief sits within Fusion42's coverage of Cybersecurity and Cloud Infrastructure, and 2 sources have reported it.
◆ ◆ The Wire takeaway
You must apply Zimbra's latest patch immediately or your mail platform faces remote takeover risks via unauthenticated commands. Attackers targeting unpatched SNMP installations expose your service to total compromise this week.
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2 sources · 21 Aug 2026
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