Vulnerability · Published Oct 27, 2025 · Assigned by VulDB

CVE-2025-12310VirtFusion Email Change _settings excessive authentication

Medium 5.3

In plain English

A medium-severity security flaw in VirtFusion. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.4%top 64.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
n/a	VirtFusion	6.0.06.0.16.0.2

Weakness: CWE-307, CWE-799 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R

References

VDB-329982 | VirtFusion Email Change _settings excessive authentication vdb-entry
VDB-329982 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #676825 | VirtFusion Ltd. VirtFusion 6.0.2 Authentication / Broken Authentication (Brute-forceable OTP / Mi third-party-advisory