CVE-2025-12485
Devolutions Server Privilege Escalation Vulnerability
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
INFO
Published Date :
Nov. 6, 2025, 5:15 p.m.
Last Modified :
Nov. 10, 2025, 4:31 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 | Vendor Advisory |
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.
-
Daily CyberSecurity
Critical Devolutions Server Flaw (CVE-2025-13757) Allows Authenticated SQL Injection to Steal All Passwords
Devolutions has released urgent security updates for its flagship self-hosted password management solution, Devolutions Server, addressing three distinct vulnerabilities that could expose sensitive cr ... Read more
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CybersecurityNews
Devolutions Server Vulnerability Let Attackers Impersonate Users Using Pre-MFA Cookie
A critical vulnerability in Devolutions Server could allow attackers with low-level access to impersonate other user accounts by exploiting how the application handles authentication cookies before mu ... Read more
-
Daily CyberSecurity
Critical Devolutions Server Flaw (CVE-2025-12485, CVSS 9.4) Allows User Impersonation via Pre-MFA Cookie Hijacking
Devolutions, a leading provider of privileged access management (PAM) and remote connection solutions, has released an urgent security advisory addressing two serious vulnerabilities in its Devolution ... Read more
-
Daily CyberSecurity
Critical WatchGuard Firebox Flaw (CVE-2025-59396, CVSS 9.8) Allows Unauthenticated Admin SSH Takeover via Default Credentials
A critical configuration flaw (CVE-2025-59396) has been discovered in WatchGuard Firebox devices, allowing remote attackers to gain unauthorized administrative access via SSH using default credentials ... Read more
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.
-
Initial Analysis by [email protected]
Nov. 10, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:* versions up to (excluding) 2025.2.17.0 *cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:* versions from (including) 2025.3.2.0 up to (excluding) 2025.3.6.0 Added Reference Type Devolutions Inc.: https://devolutions.net/security/advisories/DEVO-2025-0016 Types: Vendor Advisory -
CVE Modified by [email protected]
Nov. 07, 2025
Action Type Old Value New Value Changed 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. 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 -
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