# CVE-2025-6523

## Summary

- **CVE ID:** CVE-2025-6523
- **Severity:** CRITICAL
- **CVSS Score:** 9.5 (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)
- **CWE:** CWE-1391
- **Published:** Jul 22, 2025
- **Last Modified:** Mar 12, 2026

## 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

## Affected Products

- Devolutions — Server (0)
- Devolutions — Server (2025.2.2.0)

## References

- [CNA](https://devolutions.net/security/advisories/DEVO-2025-0012/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.42%
- **EPSS Percentile:** 35.0

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-09._