CVE-2025-6523
High
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
SeverityHigh
CVSS7.7
Exploit probability—
ProductDevolutions Server
PublishedJul 22, 2025
First seenJul 22, 2025
Weakness typeCWE-1391CWE-1391
How to fix
Update
- devolutions devolutions_server2025.2.4.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| devolutions devolutions_server | v ≤ 2025.1.11.0, 2025.2.2.0 ≤ v < 2025.2.4.0 | 2025.2.4.0 |
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