What is CVE-2025-34393?

CVE-2025-34393 is a critical-severity vulnerability in Barracuda Rmm, classified under Use of Externally-Controlled Input to Select Classes or Code (Unsafe Reflection). CVSS score: 9.8/10. Published 2025-12-10.

How severe is CVE-2025-34393?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Barracuda Rmm

CVE-2025-34393

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 executio…

EPSS: 0.006 (43.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Barracuda Rmm
Barracuda Networks Rmm — versions 2025.1

Weakness classification (CWE)

CWE-470 — Use of Externally-Controlled Input to Select Classes or Code (Unsafe Reflection)

References

disclosure@vulncheck.com (vendor-advisory, Release Notes, patch)
disclosure@vulncheck.com (Product, product)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2025-34393?: CVE-2025-34393 is a critical-severity vulnerability in Barracuda Rmm, classified under Use of Externally-Controlled Input to Select Classes or Code (Unsafe Reflection). CVSS score: 9.8/10. Published 2025-12-10.
How severe is CVE-2025-34393?: Critical severity. CVSS v3 base score is 9.8 out of 10.