Improper
authentication in the two-factor authentication (2FA) feature in
Devolutions Server 2026.1.11 and earlier allows a remote attacker with valid
credentials to bypass multifactor authentication and gain unauthorized
access to the victim account via reuse of a partially authenticated
session token.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption
CVSS Vector v3.1
Weakness Type (CWE)
Vulnerable Products 2
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Devolutions Devolutions_Server
cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:*
|
— |
2025.3.18.0
|
|
Devolutions Devolutions_Server
cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:*
|
2026.1.1.0
|
2026.1.12.0
|