CVE-2025-6523

Published Jul 22, 2025 CVSS 4.0 · 9.5 Critical EPSS < 1% KEV · Not listed
Description
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

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-22344 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
History
Type Values Removed Values Added
Metrics cvssV4_0

{'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'}

Type Values Removed Values Added
CPEs cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Devolutions
Devolutions devolutions Server
Vendors & Products Devolutions
Devolutions devolutions Server
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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
Weaknesses CWE-1391
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
DEVOLUTIONS
Published
Updated
Nov 25, 2025, 5:23 PM
Reserved
Jun 23, 2025, 2:04 PM
Status
Modified
Published
Jul 22, 2025, 5:15 PM
Modified
Jun 17, 2026, 10:02 AM