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CVE-2025-34395: CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Barracuda Networks RMM

0
High
VulnerabilityCVE-2025-34395cvecve-2025-34395cwe-22
Published: 12/10/2025 (12/10/2025, 15:45:38 UTC)
Source: CVE Database V5
Vendor/Project: Barracuda Networks
Product: RMM

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 v4.0

Score 8.7high

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
High
Vuln. Integrity
None
Vuln. Availability
None
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
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

Affected software

BarracudaNetworks/rmm
pkg:nuget/BarracudaNetworks/rmm
Affected versions
=2025.1

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 05/14/2026, 02:02:10 UTC

Technical Analysis

Barracuda Networks RMM prior to version 2025.1.1 contains a path traversal vulnerability (CWE-22) in a .NET Remoting service exposed by the Barracuda Service Center. An unauthenticated attacker can exploit this to read arbitrary files on the system. Access to .NET machine keys through this vulnerability can escalate the attack to remote code execution. The vulnerability is publicly known and assigned CVE-2025-34395 with a CVSS 4.0 score of 8.7, indicating high severity. No official patch or remediation details are provided in the available data, and the product is not cloud-hosted, so remediation depends on vendor updates.

Potential Impact

An unauthenticated attacker can read arbitrary files on affected Barracuda Networks RMM systems, potentially exposing sensitive data. Further exploitation can lead to remote code execution by retrieving .NET machine keys, which significantly increases the risk to system integrity and confidentiality. This vulnerability poses a high risk to affected systems.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch links or official fixes are provided, users should monitor Barracuda Networks communications for updates. Until a fix is available, restrict access to the affected service and consider network-level controls to limit exposure.

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Technical Details

Data Version
5.2
Assigner Short Name
VulnCheck
Date Reserved
2025-04-15T19:15:22.596Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6939994886adcdec9b166036

Added to database: 12/10/2025, 16:01:12 UTC

Last enriched: 05/14/2026, 02:02:10 UTC

Last updated: 09/10/2026, 19:36:50 UTC

Views: 304

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