How to Register a Service Provider’s Veeam Data Cloud Vault on a Tenant's VBR Server

Legacy Functionality This article explains a method relevant only to Veeam Backup& Replication 13.0.1.1071 and older. Starting in Veeam Backup & Replication 13.0.1.2067, the backup server authorization now communicates directly with Veeam Data Cloud VDC, removing the need to be a License Admin...

Veeam Agent for Microsoft Windows 6.x < 6.3.2.1205 Privilege Escalation (CVE-2025-24287)

The version of Veeam Agent for Microsoft Windows installed on the remote Windows host is affected by a privilege escalation vulnerability: - A vulnerability allowing local system users to modify directory contents, allowing for arbitrary code execution on the local system with elevated permission...

“Failed to retrieve certificate” When Adding AWS Snowball Edge Device

Article Applicability The error message documented in this article can also occur when the Service point specified is invalid or cannot be reached due to a firewall, which is documented in KB4328. This article is specifically regarding a situation in which the correct Service point has been...

Search Best Practices in Veeam Data Cloud for Microsoft 365

New Search Experience for Veeam Data Cloud for Microsoft 365 We are excited to announce the initial rollout of our new search feature, designed to significantly improve the speed and efficiency of your search experience. The new search supports deleted item recovery and restore point search witho...

How to Upgrade the NATS Server Used by Veeam Backup for Microsoft 365

Purpose This article provides information about upgrading the NATS Server used by Veeam Backup for Microsoft 365. NATS Server Version Impact It is recommended that customers use the latest supported version of NATS Server with Veeam Backup for Microsoft 365 to avoid any potential performance...

Vulnerabilities fixed in Veeam Backup

Veeam has fixed vulnerabilities in Veeam Backup & Replication 12.3.2.3617 and Veeam Agent for Microsoft Windows 6.3.2.1205. The vulnerabilities can be exploited after access to compromise backup servers. The highest rated vulnerability, CVE-2025-23121, allows an attacker with domain user privileg...

Veeam Patches CVE-2025-23121: Critical RCE Bug Rated 9.9 CVSS in Backup & Replication

Veeam has rolled out patches to contain a critical security flaw impacting its Backup & Replication software that could result in remote code execution under certain conditions. The security defect, tracked as CVE-2025-23121, carries a CVSS score of 9.9 out of a maximum of 10.0. "A vulnerability...

Veeam Agent for Microsoft Windows 安全漏洞

Veeam Agent for Microsoft Windows is a data protection and disaster recovery solution for physical and virtual machines from Veeam USA. A security vulnerability exists in Veeam Agent for Microsoft Windows version 6.3.1.1074 and earlier, which originates from a local system user being able to modi...

Veeam Backup & Replication 安全漏洞

Veeam Backup & Replication is a backup and replication software from Veeam USA. A security vulnerability exists in Veeam Backup & Replication version 12.3.1.1139 and earlier, which originates from a backup job that can be modified by a user in the Backup Operator role, which could lead to the...

Veeam Backup and Replication 12.x < 12.3.2.3617 Multiple Vulnerabilities (June 2025) (KB4743)

The version of Veeam Backup and Replication installed on the remote Windows host is 12.x prior to 12.3.2.3617. It is, therefore, affected by multiple vulnerabilities: - A vulnerability allowing remote code execution RCE on the Backup Server by an authenticated domain user. CVE-2025-23121 - A...

Veeam Backup & Replication 安全漏洞

Veeam Backup & Replication is a backup and replication software from Veeam USA. A security vulnerability exists in Veeam Backup & Replication version 12.3.1.1139 and prior versions that originates from allowing remote code execution by authenticated domain users...

PT-2025-25742

Name of the Vulnerable Software and Affected Versions Veeam Backup & Replication versions prior to 12.3.2.3617 Description A critical remote code execution RCE vulnerability allows authenticated domain users to execute code on the Backup Server. This vulnerability affects Veeam Backup & Replicati...

PT-2025-25744 · Veeam · Backup For Microsoft Windows

Name of the Vulnerable Software and Affected Versions: The product name cannot be determined. Description: A vulnerability allows local system users to modify directory contents, enabling arbitrary code execution on the local system with elevated permissions. Recommendations: At the moment, there...

Vulnerabilities Resolved in Veeam Backup & Replication 12.3.2

All vulnerabilities documented in this article were resolved in Veeam Backup & Replication 12.3.2. Veeam Product Latest Version Download Page Veeam Software Security Commitment Veeam® is committed to ensuring its products protect customers from potential risks. As part of that commitment, we...

How to Use Veeam Data Cloud Vault with ExpressRoute with Private Peering

Purpose This article documents the usage of Veeam Data Cloud Vault within environments that use Azure ExpressRoute with private peering. Solution Software Prerequisites Veeam Backup & Replication v12.3 or higher Veeam Data Cloud Vault Configuration Notes This article covers customers using...

Could not apply snapshot: Device has active dirty bitmaps

Challenge When the user attempts to use the Rollback function for a snapshot on a Proxmox Virtual Environment PVE Virtual Machine VM that is protected by Veeam Backup & Replication, the following error occurs: qemu-img: Could not apply snapshot '%%': Device has active dirty bitmaps Cause This err...

Dell Unity Storage - "Unable to validate the specified certificate (Error Code: 0x1000100)"

Challenge When attempting to add a Dell Unity Storage Appliance that has been upgraded to firmware version 5.5 to Veeam Backup & Replication or operate backups to such storage, the following error occurs: Unable to validate the specified certificate Error Code: 0x1000100 Cause An investigation by...

CVE-2024-29852

Veeam Backup Enterprise Manager allows high-privileged users to read backup session logs...

CVE-2024-22021

Vulnerability CVE-2024-22021 allows a Veeam Recovery Orchestrator user with a low privileged role Plan Author to retrieve plans from a Scope other than the one they are assigned to...

CVE-2024-45206

A vulnerability in Veeam Service Provider Console has been identified, which allows to perform arbitrary HTTP requests to arbitrary hosts of the network and get information about internal resources...