---
id: CVE-2025-12485
title: >-
  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 veri…
summary: >-
  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 veri…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-269
vendor: devolutions
product: devolutions_server
affected:
  - devolutions_server < 2025.2.17.0
  - 'devolutions_server >= 2025.3.2.0, < 2025.3.6.0'
patched:
  - devolutions_server 2025.3.6.0
published: '2025-11-06'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T21:10:00.200'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-12485'
references:
  - url: 'https://devolutions.net/security/advisories/DEVO-2025-0016'
    label: security@devolutions.net
tags:
  - nvd
epss: 0.00595
epssPercentile: 0.46769
ingestedAt: '2026-10-07T21:54:14.964Z'
---

## Overview

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

## Affected

- `devolutions_server < 2025.2.17.0`
- `devolutions_server >= 2025.3.2.0, < 2025.3.6.0`

## Remediation

Upgrade past the affected range:

- `devolutions_server 2025.3.6.0`