CVE-2025-34393
Barracuda RMM < 2025.1.1 Service Center Insecure Reflection RCE
Description
Barracuda Service Center, as implemented in the RMM solution, in versions prior to 2025.1.1, does not correctly verify the name of an attacker-controlled WSDL service, leading to insecure reflection. This can result in remote code execution through either invocation of arbitrary methods or deserialization of untrusted types.
INFO
Published Date :
Dec. 10, 2025, 4:16 p.m.
Last Modified :
Dec. 23, 2025, 2:39 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 4.0 | CRITICAL | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | CRITICAL | [email protected] |
Solution
- Update Barracuda Service Center to version 2025.1.1.
- Apply vendor-supplied patches for older versions.
- Review and secure WSDL service handling.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-34393.
| URL | Resource |
|---|---|
| https://download.mw-rmm.barracudamsp.com/PDF/2025.1.1/RN_BRMM_2025.1.1_EN.pdf | Release Notes |
| https://www.barracuda.com/products/msp/network-protection/rmm | Product |
| https://www.vulncheck.com/advisories/barracuda-rmm-service-center-insecure-reflection-rce | Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-34393 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-34393
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-34393 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-34393 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Dec. 23, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CPE Configuration OR *cpe:2.3:a:barracuda:rmm:*:*:*:*:*:*:*:* versions up to (excluding) 2025.1.1 Added Reference Type VulnCheck: https://download.mw-rmm.barracudamsp.com/PDF/2025.1.1/RN_BRMM_2025.1.1_EN.pdf Types: Release Notes Added Reference Type VulnCheck: https://www.barracuda.com/products/msp/network-protection/rmm Types: Product Added Reference Type VulnCheck: https://www.vulncheck.com/advisories/barracuda-rmm-service-center-insecure-reflection-rce Types: Third Party Advisory -
New CVE Received by [email protected]
Dec. 10, 2025
Action Type Old Value New Value Added Description Barracuda Service Center, as implemented in the RMM solution, in versions prior to 2025.1.1, does not correctly verify the name of an attacker-controlled WSDL service, leading to insecure reflection. This can result in remote code execution through either invocation of arbitrary methods or deserialization of untrusted types. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-470 Added Reference https://download.mw-rmm.barracudamsp.com/PDF/2025.1.1/RN_BRMM_2025.1.1_EN.pdf Added Reference https://www.barracuda.com/products/msp/network-protection/rmm Added Reference https://www.vulncheck.com/advisories/barracuda-rmm-service-center-insecure-reflection-rce