Barracuda RMM < 2025.1.1 Service Center .NET Remoting Path Traversal RCE
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Barracuda Networks | RMM | 2025.1 to before 2025.1.1 | 2025.1.1 | Patch available | CNA |
- RMM VendorBarracuda Networks Affected 2025.1 to before 2025.1.1 Fixed in 2025.1.1 Patch available CNA
Remediation
- Fix · CNA RMM (Barracuda Networks) Fixed in 2025.1.1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Barracuda Networks RMM — download.mw-rmm.barracudamsp.com/PDF/2025.1.1/RN_BRMM_2025.…
4 records Highest priority Priority HIGH 1 HIGH, 3 MEDIUM
Other records, highest priority first
- TI-2025-24469 Barracuda RMM < 2025.1.1 Service Center Absolute Path Traversal RCEPriority HIGH 82
- TI-2025-24471 Barracuda RMM < 2025.1.1 Service Center .NET Remoting Deserialization RCEPriority MEDIUM 50
- TI-2025-24470 Barracuda RMM < 2025.1.1 Service Center Insecure Reflection RCEPriority MEDIUM 50
Timeline
- 2026-10-02 Threatist record created from CVE-2025-34395
- 2026-10-03 Alias added: GHSA-mf2x-xxxp-76gw
References
More Barracuda Networks vulnerabilities
- TI-2023-02687 Remote Code injection in Barracuda Email Security Gateway KEVCVSS 3.1CRITICAL 9.8
- TI-2025-24469 Barracuda RMM < 2025.1.1 Service Center Absolute Path Traversal RCE CVSS 4.0CRITICAL 10.0
- TI-2010-05064 Barracuda Spam & Virus Firewall "locale" Path Traversal CVSS 4.0HIGH 8.7
- TI-2023-06497 Remote code execution (RCE) in Barracuda ESG Appliance CVSS 3.1CRITICAL 9.8
- TI-2005-02695 img.pl in Barracuda Spam Firewall running firmware 3.1.16 and 3.1.17 allows remote… CVSS 2.0HIGH 7.5
- TI-2025-24471 Barracuda RMM < 2025.1.1 Service Center .NET Remoting Deserialization RCE CVSS 4.0CRITICAL 10.0
Sources
- CVE-2025-34395 · CVE Program
- CVE-2025-34395 · NVD
- FIRST EPSS
- GHSA-mf2x-xxxp-76gw · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences