Detections
Analytics

Devolutions Server <= 2025.1.11.0 / 2025.2.2.0 < 2025.2.4.0 Weak Credentials (DEVO-2025-0012) (CVE-2025-6523)

critical Nessus Plugin ID 242678

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Synopsis

The Devolutions Server instance installed on the remote host is affected by a weak credentials vulnerability.

Description

The version of Devolutions Server installed on the remote host is prior to 2025.1.11.0 or 2025.2.2.0 prior to 2025.2.4.0 and is, therefore, affected by a weak credentials vulnerability:

 - Use of weak credentials in emergency authentication component in Devolutions Server allows an unauthenticated attacker to bypass authentication via brute forcing the short emergency codes generated by the server within a feasible timeframe. This issue affects the following versions : * Devolutions Server 2025.2.2.0 through 2025.2.3.0 * Devolutions Server 2025.1.11.0 and earlier. (CVE-2025-6523)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Devolutions Server version 2025.2.4.0 or later.

See Also

https://devolutions.net/security/advisories/DEVO-2025-0012

Plugin Details

Severity: Critical

ID: 242678

File Name: devolutions_server_DEVO-2025-0012_CVE-2025-6523.nasl

Version: 1.2

Type: local

Agent: windows

Family: Windows

Published: 7/24/2025

Updated: 7/25/2025

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.1

CVSS v2

Risk Factor: High

Base Score: 7.3

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:P

CVSS Score Source: CVE-2025-6523

CVSS v3

Risk Factor: High

Base Score: 8.9

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L

CVSS v4

Risk Factor: Critical

Base Score: 9.5

Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:H

Vulnerability Information

CPE: x-cpe:/a:devolutions:remote_server

Required KB Items: SMB/Registry/Enumerated, installed_sw/Devolutions Server

Patch Publication Date: 7/22/2025

Vulnerability Publication Date: 7/22/2025

Reference Information

CVE: CVE-2025-6523

IAVB: 2025-B-0122