[CIVN-2026-0145] Multiple Vulnerabilities in Veeam Backup & Replication

By Published On: March 18, 2026

—–BEGIN PGP SIGNED MESSAGE—–

Hash: SHA256


Multiple Vulnerabilities in Veeam Backup & Replication


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


Severity Rating: CRITICAL


Software Affected


Veeam Backup & Replication 12.3.2.4165 and all earlier version 12 builds.

Overview


Multiple vulnerabilities have been reported in Veeam Backup & Replication which could be exploited by an authenticated attacker to execute arbitrary code, bypass security restrictions and gain elevated privileges on the targeted system.


Target Audience:

Enterprises and Large Organizations, cloud service providers using Veeam products.


Impact Assessment:

Potential for remote code execution, file manipulation, authentication bypass and privilege escalation.


Description


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


Multiple vulnerabilities exist in the Veeam Backup & Replication product which could be allow any user who is part of the local users group or any domain user to exploit the flaws.


Successful exploitation of these vulnerabilities could allow an attacker to execute arbitrary code, bypass restrictions, manipulate files on the backup repository, or gain elevated privileges on the targeted system.


Solution


Apply appropriate software updates as mentioned in the Veeam security advisories:

https://www.veeam.com/kb4830



References


 

https://www.veeam.com/kb4830


CVE Name

CVE-2026-21666

CVE-2026-21667

CVE-2026-21668

CVE-2026-21672

CVE-2026-21708




– —


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

—–BEGIN PGP SIGNATURE—–


iQIzBAEBCAAdFiEE6r4Iam/Ey0c/KakL3jCgcSdcys8FAmm6m+sACgkQ3jCgcSdc

ys+wtg/+Kl0KYIsLqVIGfmE318SJZkL7D0V92F4uD/JbE4Ruj751uS7Vy87Z8BfP

Nlj0E7IJXi/2GK6OpnYwEjAccP0PFq5fSsjq/Jcg8n7JuDWSulfFvoUITmobu7pn

QmvGQa1MU3eu2fU5aS0u9w1efimSvuEUzJQzwOZEINgEzv0be01ByhYDpjoGPwe1

1e1kELc2I6EVVcvPRYCnnrGB4bL4N8do5wuvHqSpzYUdNLYCRpCAEm35JIgDZ+4l

uJEzkMbKuhNxY0a+oa9OqtGaLrWZDoh/qkziDRUa7tPTd5m51Kt3Str6ZsyGinxN

jAhDu5QPoJzLGRrrl6Y/XfWIVdUkQQmnax5HHQupIJduOjUAAQo/pfDbToLX3QiS

4vMvPeq3nD49Mc0ZPN9J6FOmyZam+EL52y83age1VvGNoE+BrMydVW4Q4xuTRptV

XVc4kEVQCgva41CzE9dGJcONAfFHgXbhzfU8EYIrYkJCFlV3mSuAwW4ftjAOIYPx

jyU758oDoHFk6RvhdoDixrMZuLHkwzVirPtCKGcixW+2DPJEeoQ3Nx+Y7YCyHD2t

BzYgKphIDaEjfPgCcsYF5noHxexDcs6kFxUuz+OSZbIS3gj3Eh612T3OTRd81bni

WveAX9+kLZsoPDMqDT7OAmNtCoOTRge7WrASpXSoQKntRxWkce0=

=VHkN

—–END PGP SIGNATURE—–

Share this article