CVE-2025-12485
Devolutions Server Privilege Escalation Vulnerability
Description
Improper privilege management during pre-MFA cookie handling in Devolutions Server 2025.3.5.0 and earlier 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.
INFO
Published Date :
Nov. 6, 2025, 5:15 p.m.
Last Modified :
Nov. 6, 2025, 8:15 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update Devolutions Server to version 2025.3.6 or later.
- Review and enforce secure cookie handling practices.
- Implement stricter session management controls.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-12485.
| URL | Resource |
|---|---|
| https://devolutions.net/security/advisories/DEVO-2025-0016 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-12485 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-12485
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-12485 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-12485 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.
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CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Nov. 06, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H -
New CVE Received by [email protected]
Nov. 06, 2025
Action Type Old Value New Value Added Description Improper privilege management during pre-MFA cookie handling in Devolutions Server 2025.3.5.0 and earlier 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. Added CWE CWE-269 Added Reference https://devolutions.net/security/advisories/DEVO-2025-0016