Vulnerability in Virtfusion

CVE-2025-12310

A security vulnerability has been detected in VirtFusion up to 6.0.2. This vulnerability affects unknown code of the file /account/_settings of the component Email Change Handler. The manipulation leads to improper restriction of excessive authentication attempts. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (32.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-12310: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: -0.000

Affected products

  • Virtfusion — versions 6.0.0, 6.0.1, 6.0.2

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-12310?
CVE-2025-12310 is a medium-severity vulnerability in Virtfusion, classified under Improper Restriction of Excessive Authentication Attempts. CVSS score: 5.3/10. Published 2025-10-27.
How severe is CVE-2025-12310?
Medium severity. CVSS v3 base score is 5.3 out of 10.