CVE-2025-6523

State: Published
Severity: 9.5 Critical
Published: Jul 22, 2025
Updated: Nov 25, 2025
Reserved: Jun 23, 2025

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

Scores

CVSS	Score	Vector	Source
4.0	9.5 Critical	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	DEVOLUTIONS
3.1	7.7 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N	CISA-ADP

Weaknesses

CWE-1391 Use of Weak Credentials

Affected Products

Product	Versions
ServerDevolutions	2025.1.11.0 and earlierAffected 2025.2.2.0 through 2025.2.3.0Affected

References

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

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