Chinese Hackers Exploit New Zero-Day in Barracuda’s ESG to Deploy Backdoor

Barracuda Email Security Gateway (ESG) Appliance has been discovered with an Arbitrary code Execution vulnerability exploited by a China Nexus threat actor tracked as UNC4841. Additionally, the vulnerability targeted only a limited number of ESG devices.  However, Barracuda has deployed a security update to all the active ESGs to address this vulnerability, and has been […]

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