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ClosedPatched

Day · May 20, 2023

Barracuda Email Security Gateway zero-day (CVE-2023-2868)

Barracuda Email Security Gateway (appliance)

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Updates on May 20, 2023

  1. Security patch pushed to all ESG appliances worldwide

    Source

Summary

A command injection in how Barracuda ESG appliances scan .tar attachments was exploited since October 2022 by China-nexus UNC4841 to backdoor appliances. Barracuda later told customers to replace compromised appliances outright, even after patching.

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