CVE-2025-34394

Description

Barracuda Service Center, as implemented in the RMM solution, in versions prior to 2025.1.1, exposes a .NET Remoting service that is insufficiently protected against deserialization of arbitrary types. This can lead to remote code execution.

CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-502 Deserialization of Untrusted Data

Affected Products

Vendor	Product	Versions
barracuda	rmm	< 2025.1.1

References

Other References

https://download.mw-rmm.barracudamsp.com/PDF/2025.1.1/RN_BRMM_2025.1.1_EN.pdf https://www.barracuda.com/products/msp/network-protection/rmm https://www.vulncheck.com/advisories/barracuda-rmm-service-center-net-remoting-deserialization-rce

Frequently Asked Questions

What is CVE-2025-34394? +

Barracuda Service Center, as implemented in the RMM solution, in versions prior to 2025.1.1, exposes a .NET Remoting service that is insufficiently protected against deserialization of arbitrary types. This can lead to remote code execution. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-34394? +

CVE-2025-34394 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-34394? +

CVE-2025-34394 affects products from barracuda, specifically: rmm. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-34394? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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