Unpatched Zimbra flaw under attack is letting hackers backdoor servers
An unpatched code-execution vulnerability in the Zimbra Collaboration software is under active exploitation by attackers using the attacks to backdoor servers. The attacks began no later than September 7, when a Zimbra customer reported a few days later that a server running the company’s Amavis spam-filtering engine processed an email containing a malicious attachment. Within […]
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