CVE-2024-48887 Auth bypass in FortiSwitch

Critical 9.3 Published 8 Apr 2025 Updated 26 Feb 2026

Remote unauthenticated attackers can change admin passwords in FortiSwitch GUI, leading to full administrative account takeover.

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-2024-48887?

CVE-2024-48887 is a critical authentication bypass vulnerability in Fortinet FortiSwitch, published on 8 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A unverified password change vulnerability in Fortinet FortiSwitch GUI may allow a remote unauthenticated attacker to change admin passwords via a specially crafted request

Weakness: CWE-620

Which versions are affected by CVE-2024-48887?

It affects 1 product.

Products include Fortinet Fortiswitch.

How do I fix CVE-2024-48887?

No fix has been published for CVE-2024-48887 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2024-48887 being exploited?

There is no known exploitation of CVE-2024-48887 in the wild and no public exploit code.

Public exploit code: 2 proofs of concept on GitHub.

Sources

Also known as GHSA-w84w-59g8-pmg9.