CVE-2025-6523
Last modified
CVE-2025-6523 is a critical-severity vulnerability rated 9.5/10 on the CVSS scale. 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. EPSS estimates a 0.39% chance of exploitation in the next 30 days.
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
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Devolutions | Devolutions Server | <= 2025.1.11.0 |
| Devolutions | Devolutions Server | >= 2025.2.2.0, < 2025.2.4.0 |
References
- https://devolutions.net/security/advisories/DEVO-2025-0012/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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