Is CVE-2025-34394 in the CISA KEV catalog?

No. CVE-2025-34394 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-34394?

CVE-2025-34394 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2025-34394?

CVE-2025-34394 has an EPSS score of 0.59% (44th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2025-34394

CRITICAL

9.8

CVSS v3

NVD

Description

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.

CWE-502Deserialization of Untrusted Data

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.59%probability of exploitation in 30 days

44thpercentile

Moderate risk: more likely to be exploited than 44% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-12-23.