CVE-2025-6523

HIGH

Devolutions Server <2025.2.3.0 - Auth Bypass

Title source: llm

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

References (1)

[Vendor Advisory] https://devolutions.net/security/advisories/DEVO-2025-0012/

Scores

CVSS v3 7.7

EPSS 0.0011

EPSS Percentile 30.1%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Classification

CWE

CWE-1391

Status published

Affected Products (1)

devolutions/devolutions_server < 2025.1.11.0

Timeline

Published Jul 22, 2025

Tracked Since Feb 18, 2026