CVE-2025-6523: Use of weak credentials in emergency authentication component in Devolutions Server allows an unauthenticated attacker to bypass authentication via brute…

PriorityP353high7.7CVSS 3.1

AVNACLPRLUINSCCHINAN

EPSS

0.39%

31.2th percentile

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

Affected

4 ranges

Vendor	Product	Version range	Fixed in
devolutions	devolutions_server	<= 2025.1.11.0	—
devolutions	devolutions_server	>= 2025.2.2.0 < 2025.2.4.0	2025.2.4.0
devolutions	server	<= 2025.1.11.0	—
devolutions	server	2025.2.2.0 – 2025.2.3.0	—

CVSS provenance

nvdv3.17.7HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

nvdv4.09.5CRITICALCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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