CVE-2025-12485 Privilege escalation in Server

High 8.8 Published Updated

Low-privileged users can impersonate other accounts by replaying pre-MFA cookies, leading to privilege escalation and account takeover.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-12485?

CVE-2025-12485 is a high-severity vulnerability in Devolutions Devolutions Server, published on 6 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Improper privilege management during pre-MFA cookie handling in Devolutions Server allows a low-privileged authenticated user to impersonate another account by replaying the pre-MFA cookie.This does not bypass the target account MFA verification step.

This issue affects the following versions :

* Devolutions Server 2025.3.2.0 through 2025.3.5.0 *

Devolutions Server 2025.2.15.0 and earlier

Weakness: CWE-269

Which versions are affected by CVE-2025-12485?

It affects 1 product.

Products include Devolutions Devolutions Server.

How do I fix CVE-2025-12485?

No fix has been published for CVE-2025-12485 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-12485 being exploited?

There is no known exploitation of CVE-2025-12485 in the wild and no public exploit code.

All Devolutions Devolutions Server vulnerabilities

Sources

Also known as GHSA-qj6m-vqpr-wffx.

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