CVE-2025-34394 json
Barracuda RMM < 2025.1.1 Service Center .NET Remoting Deserialization RCE
published 2025-12-10 10 mo ago modified 2026-10-14 25 d ago also EUVD-2025-202445
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 53%
- public exploits
- 0
- none known
Summary
Barracuda Service Center, as implemented in the RMM solution, in versions prior to 2025.1.1, exposes a .NET Remoting service that is insufficiently protected against deserialization of arbitrary types. This can lead to remote code execution.
Patch / fix
- Barracuda Networks RMM 2025.1.1
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 10 mo ago
Exploit prediction
0.71% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 10.0 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H |
| CNA | 4.0 | 10.0 | CVSS:4.0/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 |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Barracuda Networks RMM
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
download.mw-rmm.barracudamsp.com
/PDF/2025.1.1/RN_BRMM_2025.1.1_EN.pdf
vendor-advisory, patch, release-notes
-
barracuda.com
/products/msp/network-protection/rmm
product
-
vulncheck.com
/advisories/barracuda-rmm-service-center-net-remoting-deserialization-rce
third-party-advisory
Sources
- CVE List CVE-2025-34394
- NVD CVE-2025-34394
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.