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Remote Code Execution Vulnerability in Veeam Backup & Replication

Indian – Computer Emergency Response Team (https://www.cert-in.org.in)

Severity Rating: CRITICAL

Software Affected

Veeam Backup & Replication 12.3.2.4465 and all earlier Version 12 builds.

Overview

A vulnerability has been reported in Veeam Backup & Replication which could be exploited by an authenticated domain user to execute arbitrary code on the targeted system.

Target Audience:

Enterprises and large Organizations, cloud service providers (CSPs), and backup administrators utilizing domain-joined Veeam Backup & Replication systems.

Risk Assessment:

Critical risk of remote code execution (RCE) resulting in potential compromise of backup infrastructure.

Impact Assessment:

Unauthorized code execution, backup data deletion or modification, and potential domain lateral movement.

Description

Veeam Backup & Replication is a data protection solution that provides backup, recovery, and replication capabilities.

This vulnerability exists in Veeam Backup & Replication and can be exploited by an authenticated domain user to achieve Remote Code Execution (RCE) on the targeted backup server.

Successful exploitation of this vulnerability could allow an authenticated attacker to execute arbitrary code on the targeted system.

Solution

Apply appropriate software updates as mentioned:

https://www.veeam.com/kb4869

Vendor Information

Veeam

https://www.veeam.com/kb4869

References

 

https://www.veeam.com/kb4869

CVE Name

CVE-2026-44963

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Thanks and Regards,

CERT-In

Incident Response Help Desk

e-mail: incident@cert-in.org.in

Phone: +91-11-22902657

Toll Free Number: 1800-11-4949

Toll Free Fax : 1800-11-6969

Web: http://www.cert-in.org.in

PGP Fingerprint: A768 083E 4475 5725 B81A A379 2156 C0C0 B620 D0B4

PGP Key information:

https://www.cert-in.org.in/s2cMainServlet?pageid=CONTACTUS

Postal address:

Indian Computer Emergency Response Team (CERT-In)

Ministry of Electronics and Information Technology

Government of India

Electronics Niketan

6, C.G.O. Complex

New Delhi-110 003

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