CVE-2025-34395 HIGH

CVE-2025-34395: Barracuda RMM < 2025.1.1 Service Center .NET Remoting Path Traversal RCE

Vendor Barracuda Networks
Product RMM
Weakness CWE-22 · Path traversal
Published December 10, 2025
Last update May 14, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Barracuda Service Center, as implemented in the RMM solution, in versions prior to 2025.1.1, exposes a .NET Remoting service in which an unauthenticated attacker can invoke a method vulnerable to path traversal to read arbitrary files. This vulnerability can be escalated to remote code execution by retrieving the .NET machine keys.

Key dates

02Disclosure timeline

December 10, 2025 CVE published
May 14, 2026 Record updated