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Hackers Exploit Zimbra Mail Servers With Crafted Emails to Gain Remote Access

Hackers are exploiting a serious flaw in internet-facing Zimbra mail servers with specially crafted emails. The weakness lets an outsider run commands on a vulnerable server without logging in or persuading an employee to open a message. The activity centers on CVE-2026-73570, a command-injection issue in the server’s SNMP notification feature. It affects installations where […] The post Hackers Exploit Zimbra Mail Servers With Crafted Emails to Gain Remote Access appeared first on Cyber Security News.
Hackers are exploiting a serious flaw in internet-facing Zimbra mail servers with specially crafted emails. The weakness lets an outsider run commands on a vulnerable server without logging in or persuading an employee to open a message. The activity centers on CVE-2026-73570, a command-injection issue in the server’s SNMP notification feature. It affects installations where the optional zimbra-snmp package is present and SNMP notifications are enabled, turning a routine monitoring path into an entry point. Microsoft Threat…
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