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Barracuda Urges Immediate Replacement of Hacked ESG Appliances

June 8, 2023

Enterprise security company Barracuda is now urging customers who were impacted by a recently disclosed zero-day flaw in its Email Security Gateway (ESG) appliances to immediately replace them.

“Impacted ESG appliances must be immediately replaced regardless of patch version level,” the company said in an update, adding its “remediation recommendation at this time is full replacement of the impacted ESG.”

The latest development comes as Barracuda disclosed that a critical flaw in the devices (CVE-2023-2868, CVSS score: 9.8) has been exploited as a zero-day for at least seven months since October 2022 to deliver bespoke malware and steal data.

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