CVE-2025-6523

critical · 9.5

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

9.5

CVSS

0.4%

EPSS (exploit prob.)

36th

EPSS percentile

2025-07-22

Published

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/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

Weaknesses

CWE-1391

Affected products

Vendor	Product	Affected versions
devolutions	devolutions_server	<= 2025.1.11.0
devolutions	devolutions_server	>= 2025.2.2.0, < 2025.2.4.0

Check a specific version with /api/v1/cve/match.

References

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2025-6523