CVE-2025-3871 – Fortra GoAnywhere MFT Authentication Bypass Denial of Service

The following table lists the changes that have been made to the
CVE-2025-3871 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by df4dee71-de3a-4139-9588-11b62fe6c0ff

    Jul. 16, 2025

    Action Type Old Value New Value
    Added Description Broken access control in Fortra’s GoAnywhere MFT prior to 7.8.1 allows an attacker to create a denial of service situation when configured to use GoAnywhere One-Time Password (GOTP) email two-factor authentication (2FA) and the user has not set an email address. In this scenario, the attacker may enter the email address of a known user when prompted and the user will be disabled if that user has configured GOTP.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
    Added CWE CWE-862
    Added Reference https://www.fortra.com/security/advisories/product-security/FI-2025-009
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