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Vulnerability record · CVE-2025-34395 · published 10 December 2025

CVE-2025-34395: Barracuda rmm path traversal vulnerability

Barracuda · Rmm

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.

8.7 CVSS 4.0 High EPSS 0.75% · top 46.8% CWE-22 · Path traversal
8.7CVSS 4.0 base score
0.75%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

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.

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/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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
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-net-remoting-path-traversal-rce Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-34395), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.