Veeam Backup & Replication vulnerability

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Date of Notice: 03/09/2023

Action Level - High


Veeam has disclosed a high severity vulnerability in their Backup & Replication component. If exploited, it could allow an unauthenticated attacker to obtain encrypted credentials and potentially gain access to backup infrastructure hosts.

Affected Versions

    Attack Vector

    An attacker with network or local access to the Veeam Backup & Replication server. 

    Attack Feasibility 

    There are currently no known exploits for this vulnerability


    If you use an all-in-one Veeam appliance with no remote backup components, blocking external access to the appliance on TCP 9401 may temporarily mitigate the exploit.


    Update to a fixed build.

    Vendor Resources

    Veeam KB ID 4424 (includes links to fixed build versions)

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