CVE-2025-3871 Broken Access Control Leads to Limited Denial of Service in GoAnywhere MFT 7.8.0 and earlier
An attacker can disable users by exploiting broken access control in GoAnywhere MFT when GOTP 2FA is enabled and email is missing.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-3871?
CVE-2025-3871 is a medium-severity missing authorization vulnerability in Fortra GoAnywhere MFT, published on 16 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-862
Which versions are affected by CVE-2025-3871?
How do I fix CVE-2025-3871?
No fix has been published for CVE-2025-3871 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-3871 being exploited?
There is no known exploitation of CVE-2025-3871 in the wild and no public exploit code.
Sources
Also known as GHSA-p75j-78r4-rcp2.