CVE-2025-34394CWE-502insecure-deserialization

CVE-2025-34394

Critical · published December 10, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
52.9
In the wild
Unconfirmed
What it is

🔥 Who would have thought that a simple .NET Remoting service could become a door wide open for attackers? It's like having a security guard who lets anyone walk in just because they waved at them – absolutely shocking! In this case, the Barracuda Service Center is inviting trouble by not properly checking what’s being brought through the door. An attacker could exploit this vulnerability to run arbitrary code on your server, potentially leading to a complete compromise of your system. Imagine losing sensitive data, having your infrastructure hijacked, or worse! This is the kind of vulnerability that could lead to an absolute security nightmare.

Put simply

It's like having a security guard who lets anyone walk in just because they waved at them – absolutely shocking! In this case, the Barracuda Service Center is inviting trouble by not properly checking what’s being brought through the door. This critical vulnerability in Barracuda Service Center allows for remote code execution due to insufficient protection against the deserialization of arbitrary types in the .NET Remoting service. Essentially, it means that malicious payloads can be processed without proper validation, opening the door for attackers.

What to do

An attacker could exploit this vulnerability to run arbitrary code on your server, potentially leading to a complete compromise of your system. Imagine losing sensitive data, having your infrastructure hijacked, or worse! This is the kind of vulnerability that could lead to an absolute security nightmare. Update your Barracuda Service Center to version 2025.1.1 or later immediately. Additionally, review your network configurations to ensure that only necessary services are exposed, and consider employing strict controls on deserialization processes. You've got this! With prompt action, you can secure your environment and maintain your superhero status in cybersecurity! 🦸‍♂️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00707 · 52.9th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2025-12-10T21:16Z
Affected products (1)
ProductVersionsFixed in
barracuda/rmm< 2025.1.12025.1.1
References (3)
EPSS history
Timeline
  • 10 DEC 15:45Z
    Barracuda RMM < 2025.1.1 Service Center .NET Remoting Deserialization RCE
    cvelistv5